var-202108-1249
Vulnerability from variot
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. apple's Safari Classic buffer overflow vulnerabilities exist in products from multiple vendors.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. (CVE-2020-27918) "Clear History and Website Data" did not clear the history. A user may be unable to fully delete browsing history. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. (CVE-2021-1789) A port redirection issue was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. A malicious website may be able to access restricted ports on arbitrary servers. The highest threat from this vulnerability is to data integrity. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Apple is aware of a report that this issue may have been actively exploited.. (CVE-2021-1870) A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage. (CVE-2021-21775) A use-after-free vulnerability exists in the way Webkit's GraphicsContext handles certain events in WebKitGTK 2.30.4. A victim must be tricked into visiting a malicious web page to trigger this vulnerability. (CVE-2021-21779) An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. The victim needs to visit a malicious web site to trigger the vulnerability. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. A malicious application may be able to leak sensitive user information. A malicious website may be able to access restricted ports on arbitrary servers. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. (CVE-2021-30799) A use-after-free flaw was found in WebKitGTK. (CVE-2021-30809) A confusion type flaw was found in WebKitGTK. (CVE-2021-30818) An out-of-bounds read flaw was found in WebKitGTK. A specially crafted audio file could use this flaw to trigger a disclosure of memory when processed. (CVE-2021-30887) An information leak flaw was found in WebKitGTK. A malicious web site using Content Security Policy reports could use this flaw to leak information via redirects. (CVE-2021-30888) A buffer overflow flaw was found in WebKitGTK. (CVE-2021-30952) An out-of-bounds read was addressed with improved bounds checking. (CVE-2021-30984) ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2021. Notes: none. (CVE-2021-32912) BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit prior to 2.34.1 allows a limited sandbox bypass that allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process remains otherwise confined. NOTE: this is similar to CVE-2021-41133. (CVE-2021-42762) A segmentation violation vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. (CVE-2021-45481) A use-after-free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. (CVE-2021-45482) A use-after-free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. Video self-preview in a webRTC call may be interrupted if the user answers a phone call. An app may be able to disclose kernel memory. Visiting a website that frames malicious content may lead to UI spoofing. Visiting a malicious website may lead to user interface spoofing. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1.. (CVE-2022-46700) A flaw was found in the WebKitGTK package. An improper input validation issue may lead to a use-after-free vulnerability. This may, in theory, allow a remote malicious user to create a specially crafted web page, trick the victim into opening it, trigger type confusion, and execute arbitrary code on the target system. (CVE-2023-23529) A use-after-free vulnerability in WebCore::RenderLayer::addChild in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25358) A use-after-free vulnerability in WebCore::RenderLayer::renderer in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25360) A use-after-free vulnerability in WebCore::RenderLayer::setNextSibling in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25361) A use-after-free vulnerability in WebCore::RenderLayer::repaintBlockSelectionGaps in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25362) A use-after-free vulnerability in WebCore::RenderLayer::updateDescendantDependentFlags in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25363) The vulnerability allows a remote malicious user to bypass Same Origin Policy restrictions. (CVE-2023-27932) The vulnerability exists due to excessive data output by the application. A remote attacker can track sensitive user information. (CVE-2023-27954) An out-of-bounds read issue in WebKit that could be abused to disclose sensitive information when processing web content. Apple is aware of a report that this issue may have been actively exploited. (CVE-2023-32373) N/A (CVE-2023-32409).
For the oldstable distribution (buster), these problems have been fixed in version 2.34.4-1~deb10u1.
For the stable distribution (bullseye), these problems have been fixed in version 2.34.4-1~deb11u1.
We recommend that you upgrade your webkit2gtk packages. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
APPLE-SA-2021-12-15-6 watchOS 8.3
watchOS 8.3 addresses the following issues. CVE-2021-30960: JunDong Xie of Ant Security Light-Year Lab
CFNetwork Proxies Available for: Apple Watch Series 3 and later Impact: User traffic might unexpectedly be leaked to a proxy server despite PAC configurations Description: A logic issue was addressed with improved state management. CVE-2021-30957: JunDong Xie of Ant Security Light-Year Lab
CoreAudio Available for: Apple Watch Series 3 and later Impact: Playing a malicious audio file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-30958: JunDong Xie of Ant Security Light-Year Lab
Crash Reporter Available for: Apple Watch Series 3 and later Impact: A local attacker may be able to elevate their privileges Description: This issue was addressed with improved checks. CVE-2021-30939: Rui Yang and Xingwei Lin of Ant Security Light-Year Lab, Mickey Jin (@patch1t) of Trend Micro
Kernel Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30916: Zweig of Kunlun Lab
Kernel Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption vulnerability was addressed with improved locking. CVE-2021-30937: Sergei Glazunov of Google Project Zero
Kernel Available for: Apple Watch Series 3 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2021-30927: Xinru Chi of Pangu Lab CVE-2021-30980: Xinru Chi of Pangu Lab
Kernel Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2021-30949: Ian Beer of Google Project Zero
Kernel Available for: Apple Watch Series 3 and later Impact: An attacker in a privileged network position may be able to execute arbitrary code Description: A buffer overflow issue was addressed with improved memory handling. CVE-2021-30993: OSS-Fuzz, Ned Williamson of Google Project Zero
Kernel Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved state handling. CVE-2021-30955: Zweig of Kunlun Lab
Preferences Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to elevate privileges Description: A race condition was addressed with improved state handling. CVE-2021-30995: Mickey Jin (@patch1t) of Trend Micro, Mickey Jin (@patch1t)
Sandbox Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to bypass certain Privacy preferences Description: A validation issue related to hard link behavior was addressed with improved sandbox restrictions. CVE-2021-30968: Csaba Fitzl (@theevilbit) of Offensive Security
Sandbox Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to bypass certain Privacy preferences Description: A logic issue was addressed with improved restrictions. CVE-2021-30946: @gorelics
Sandbox Available for: Apple Watch Series 3 and later Impact: An application may be able to access a user's files Description: An access issue was addressed with additional sandbox restrictions. CVE-2021-30947: Csaba Fitzl (@theevilbit) of Offensive Security
TCC Available for: Apple Watch Series 3 and later Impact: A local user may be able to modify protected parts of the file system Description: A logic issue was addressed with improved state management. CVE-2021-30767: @gorelics
TCC Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to bypass Privacy preferences Description: An inherited permissions issue was addressed with additional restrictions. CVE-2021-30954: Kunlun Lab
Additional recognition
Bluetooth We would like to acknowledge Haram Park, Korea University for their assistance.
ColorSync We would like to acknowledge Mateusz Jurczyk of Google Project Zero for their assistance.
Contacts We would like to acknowledge Minchan Park (03stin) for their assistance.
Kernel We would like to acknowledge Amit Klein of Bar-Ilan University's Center for Research in Applied Cryptography and Cyber Security for their assistance.
WebKit We would like to acknowledge Peter Snyder of Brave and Soroush Karami for their assistance.
Installation note:
Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641
To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About".
Alternatively, on your watch, select "My Watch > General > About".
Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE-----
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. ========================================================================== Ubuntu Security Notice USN-5255-1 January 27, 2022
webkit2gtk vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in WebKitGTK.
Software Description: - webkit2gtk: Web content engine library for GTK+
Details:
A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.21.10.1 libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.21.10.1
Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.20.04.1
This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use WebKitGTK, such as Epiphany, to make all the necessary changes
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"data": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution. apple\u0027s Safari Classic buffer overflow vulnerabilities exist in products from multiple vendors.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. (CVE-2020-27918)\n\"Clear History and Website Data\" did not clear the history. A user may be unable to fully delete browsing history. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. (CVE-2021-1789)\nA port redirection issue was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. A malicious website may be able to access restricted ports on arbitrary servers. The highest threat from this vulnerability is to data integrity. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Apple is aware of a report that this issue may have been actively exploited.. (CVE-2021-1870)\nA use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage. (CVE-2021-21775)\nA use-after-free vulnerability exists in the way Webkit\u0027s GraphicsContext handles certain events in WebKitGTK 2.30.4. A victim must be tricked into visiting a malicious web page to trigger this vulnerability. (CVE-2021-21779)\nAn exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. The victim needs to visit a malicious web site to trigger the vulnerability. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. A malicious application may be able to leak sensitive user information. A malicious website may be able to access restricted ports on arbitrary servers. Apple is aware of a report that this issue may have been actively exploited.. Apple is aware of a report that this issue may have been actively exploited.. (CVE-2021-30799)\nA use-after-free flaw was found in WebKitGTK. (CVE-2021-30809)\nA confusion type flaw was found in WebKitGTK. (CVE-2021-30818)\nAn out-of-bounds read flaw was found in WebKitGTK. A specially crafted audio file could use this flaw to trigger a disclosure of memory when processed. (CVE-2021-30887)\nAn information leak flaw was found in WebKitGTK. A malicious web site using Content Security Policy reports could use this flaw to leak information via redirects. (CVE-2021-30888)\nA buffer overflow flaw was found in WebKitGTK. (CVE-2021-30952)\nAn out-of-bounds read was addressed with improved bounds checking. (CVE-2021-30984)\n** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2021. Notes: none. (CVE-2021-32912)\nBubblewrapLauncher.cpp in WebKitGTK and WPE WebKit prior to 2.34.1 allows a limited sandbox bypass that allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process remains otherwise confined. NOTE: this is similar to CVE-2021-41133. (CVE-2021-42762)\nA segmentation violation vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. (CVE-2021-45481)\nA use-after-free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. (CVE-2021-45482)\nA use-after-free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash. Video self-preview in a webRTC call may be interrupted if the user answers a phone call. An app may be able to disclose kernel memory. Visiting a website that frames malicious content may lead to UI spoofing. Visiting a malicious website may lead to user interface spoofing. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1.. (CVE-2022-46700)\nA flaw was found in the WebKitGTK package. An improper input validation issue may lead to a use-after-free vulnerability. This may, in theory, allow a remote malicious user to create a specially crafted web page, trick the victim into opening it, trigger type confusion, and execute arbitrary code on the target system. (CVE-2023-23529)\nA use-after-free vulnerability in WebCore::RenderLayer::addChild in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25358)\nA use-after-free vulnerability in WebCore::RenderLayer::renderer in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25360)\nA use-after-free vulnerability in WebCore::RenderLayer::setNextSibling in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25361)\nA use-after-free vulnerability in WebCore::RenderLayer::repaintBlockSelectionGaps in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25362)\nA use-after-free vulnerability in WebCore::RenderLayer::updateDescendantDependentFlags in WebKitGTK prior to 2.36.8 allows malicious users to execute code remotely. (CVE-2023-25363)\nThe vulnerability allows a remote malicious user to bypass Same Origin Policy restrictions. (CVE-2023-27932)\nThe vulnerability exists due to excessive data output by the application. A remote attacker can track sensitive user information. (CVE-2023-27954)\nAn out-of-bounds read issue in WebKit that could be abused to disclose sensitive information when processing web content. Apple is aware of a report that this issue may have been actively exploited. (CVE-2023-32373)\nN/A (CVE-2023-32409). \n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 2.34.4-1~deb10u1. \n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 2.34.4-1~deb11u1. \n\nWe recommend that you upgrade your webkit2gtk packages. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2021-12-15-6 watchOS 8.3\n\nwatchOS 8.3 addresses the following issues. \nCVE-2021-30960: JunDong Xie of Ant Security Light-Year Lab\n\nCFNetwork Proxies\nAvailable for: Apple Watch Series 3 and later\nImpact: User traffic might unexpectedly be leaked to a proxy server\ndespite PAC configurations\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-30957: JunDong Xie of Ant Security Light-Year Lab\n\nCoreAudio\nAvailable for: Apple Watch Series 3 and later\nImpact: Playing a malicious audio file may lead to arbitrary code\nexecution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-30958: JunDong Xie of Ant Security Light-Year Lab\n\nCrash Reporter\nAvailable for: Apple Watch Series 3 and later\nImpact: A local attacker may be able to elevate their privileges\nDescription: This issue was addressed with improved checks. \nCVE-2021-30939: Rui Yang and Xingwei Lin of Ant Security Light-Year\nLab, Mickey Jin (@patch1t) of Trend Micro\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2021-30916: Zweig of Kunlun Lab\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory corruption vulnerability was addressed with\nimproved locking. \nCVE-2021-30937: Sergei Glazunov of Google Project Zero\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2021-30927: Xinru Chi of Pangu Lab\nCVE-2021-30980: Xinru Chi of Pangu Lab\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2021-30949: Ian Beer of Google Project Zero\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: An attacker in a privileged network position may be able to\nexecute arbitrary code\nDescription: A buffer overflow issue was addressed with improved\nmemory handling. \nCVE-2021-30993: OSS-Fuzz, Ned Williamson of Google Project Zero\n\nKernel\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A race condition was addressed with improved state\nhandling. \nCVE-2021-30955: Zweig of Kunlun Lab\n\nPreferences\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to elevate privileges\nDescription: A race condition was addressed with improved state\nhandling. \nCVE-2021-30995: Mickey Jin (@patch1t) of Trend Micro, Mickey Jin\n(@patch1t)\n\nSandbox\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to bypass certain Privacy\npreferences\nDescription: A validation issue related to hard link behavior was\naddressed with improved sandbox restrictions. \nCVE-2021-30968: Csaba Fitzl (@theevilbit) of Offensive Security\n\nSandbox\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to bypass certain Privacy\npreferences\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2021-30946: @gorelics\n\nSandbox\nAvailable for: Apple Watch Series 3 and later\nImpact: An application may be able to access a user\u0027s files\nDescription: An access issue was addressed with additional sandbox\nrestrictions. \nCVE-2021-30947: Csaba Fitzl (@theevilbit) of Offensive Security\n\nTCC\nAvailable for: Apple Watch Series 3 and later\nImpact: A local user may be able to modify protected parts of the\nfile system\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-30767: @gorelics\n\nTCC\nAvailable for: Apple Watch Series 3 and later\nImpact: A malicious application may be able to bypass Privacy\npreferences\nDescription: An inherited permissions issue was addressed with\nadditional restrictions. \nCVE-2021-30954: Kunlun Lab\n\nAdditional recognition\n\nBluetooth\nWe would like to acknowledge Haram Park, Korea University for their\nassistance. \n\nColorSync\nWe would like to acknowledge Mateusz Jurczyk of Google Project Zero\nfor their assistance. \n\nContacts\nWe would like to acknowledge Minchan Park (03stin) for their\nassistance. \n\nKernel\nWe would like to acknowledge Amit Klein of Bar-Ilan University\u0027s\nCenter for Research in Applied Cryptography and Cyber Security for\ntheir assistance. \n\nWebKit\nWe would like to acknowledge Peter Snyder of Brave and Soroush Karami\nfor their assistance. \n\nInstallation note:\n\nInstructions on how to update your Apple Watch software are\navailable at https://support.apple.com/kb/HT204641\n\nTo check the version on your Apple Watch, open the Apple Watch app\non your iPhone and select \"My Watch \u003e General \u003e About\". \n\nAlternatively, on your watch, select \"My Watch \u003e General \u003e About\". \n\nInformation will also be posted to the Apple Security Updates\nweb site: https://support.apple.com/kb/HT201222\n\nThis message is signed with Apple\u0027s Product Security PGP key,\nand details are available at:\nhttps://www.apple.com/support/security/pgp/\n-----BEGIN PGP SIGNATURE-----\n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\n1TwxV/lhKMX5VzOcPeBASRRbXNWYs6mIXKAHBGTKcNkIR0djZOk=onN+\n-----END PGP SIGNATURE-----\n\n\n\n. ==========================================================================\nUbuntu Security Notice USN-5255-1\nJanuary 27, 2022\n\nwebkit2gtk vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 21.10\n- Ubuntu 20.04 LTS\n\nSummary:\n\nSeveral security issues were fixed in WebKitGTK. \n\nSoftware Description:\n- webkit2gtk: Web content engine library for GTK+\n\nDetails:\n\nA large number of security issues were discovered in the WebKitGTK Web and\nJavaScript engines. \n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 21.10:\n libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.21.10.1\n libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.21.10.1\n\nUbuntu 20.04 LTS:\n libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.20.04.1\n libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.20.04.1\n\nThis update uses a new upstream release, which includes additional bug\nfixes. After a standard system update you need to restart any applications\nthat use WebKitGTK, such as Epiphany, to make all the necessary changes",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.