{"vulnerability": "cve-2026-20337", "sightings": [{"uuid": "11c606f8-f920-46d3-9695-02c329752f31", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20337", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mslae2k27x2n", "content": "CVE-2026-20337 - Memory corruption in ClamAV ZIP parsing, out-of-bounds write DoS. CVSS 7.5. Unpatched. Update or mitigate immediately. #CVE #Cisco #infosec\n\nhttps://www.valtersit.com/cve/CVE-2026-20337/", "creation_timestamp": "2026-08-08T14:02:58.435807Z"}, {"uuid": "1540fae6-7014-4cbd-803f-8bb8dd7ace33", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20337", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117060257580268133", "content": "CVE-2026-20337 - Memory corruption in ClamAV ZIP parsing, out-of-bounds write DoS. CVSS 7.5. Unpatched. Update or mitigate immediately. #CVE #Cisco #infosec\nhttps://www.valtersit.com/cve/CVE-2026-20337/", "creation_timestamp": "2026-08-08T14:03:05.056307Z"}, {"uuid": "b2087eb2-ec30-4fc1-b6f1-b350c4895aa0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20337", "type": "seen", "source": "https://infosec.exchange/users/AAKL/statuses/117055491493877536", "content": "CISA has added one vulnerability to the KEV catalogue:\nCVE-2026-8037: Progress LoadMaster Command Injection Vulnerability https://www.cve.org/CVERecord?id=CVE-2026-8037 #CISA \nCisco:\nNEW: CVE-2026-20337, CVE-2026-20338, and CVE-2026-20339: ClamAV Vulnerabilities Affecting Cisco Products: August 2026 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26 #Cisco \nPalo Alto:\nCRITICAL, NEW: CVE-2026-0288 PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent https://security.paloaltonetworks.com/CVE-2026-0288 \nMicrosoft:\nSeveral updates for a slew of vulnerabilities were posted today on the Microsoft Update Guide: https://msrc.microsoft.com/update-guide/ #Microsoft \nGoogle:\nNew: Chrome Dev for Android Update https://chromereleases.googleblog.com/ #Google #Chrome \nBroadcom:\nOne new advisory for a high-severity vulnerability that was first published on July 23 https://support.broadcom.com/web/ecx/security-advisory\nPosted yesterday:\nApple security updates https://support.apple.com/en-us/100100 #Apple \nAMD: Safe RET Interrupt Vulnerability https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7061.html #AMD \nDell:\nCRITICAL, last updated yesterday: Dell PowerMaxOS, Dell PowerMax EEM, Dell Unisphere for PowerMax, Dell Solutions Enabler Security Update for Multiple Vulnerabilities https://www.dell.com/support/kbdoc/en-us/000483543/dsa-2026-272-dell-powermaxos-dell-powermax-eem-dell-unisphere-for-powermax-dell-unisphere-for-powermax-virtualappliance-dell-unisphere-360-dell-solutionsenabler-and-dell-solutionsenabler-virtualappliance-security-update-for-multiple-vulnerabilities #Dell #infosec #vulnerability #Java #SQL", "creation_timestamp": "2026-08-07T17:50:55.079589Z"}]}