RHSA-2020:5236
Vulnerability from csaf_opensuse - Published: 2020-11-30 00:00 - Updated: 2026-09-20 11:12Summary
security update for thunderbird
Severity
Important
Notes
Title of the patch: security update for thunderbird
Description of the patch: This security update provides a functional equivalent of RHSA-2020:5236.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2020:5236.
Patchnames: RHSA-2020:5236
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
4.3 (Medium)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
4.3 (Medium)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
6.1 (Medium)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
6.1 (Medium)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
8.8 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
8.8 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
6.1 (Medium)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
6.5 (Medium)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
8.8 (High)
Affected products
Recommended
1 product, the same list as for
CVE-2020-16012
Threats
Impact
important
References
43 references
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"notes": [
{
"category": "general",
"text": "Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.",
"title": "CVE description"
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"notes": [
{
"category": "general",
"text": "A parsing and event loading mismatch in Firefox\u0027s SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
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"text": "It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
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"text": "https://www.suse.com/security/cve/CVE-2020-26956"
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],
"notes": [
{
"category": "general",
"text": "In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
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],
"product_status": {
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
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"scores": [
{
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"baseScore": 6.1,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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"text": "https://www.suse.com/security/cve/CVE-2020-26958"
}
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"notes": [
{
"category": "general",
"text": "Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
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"url": "https://bugzilla.suse.com/1178824"
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"url": "https://bugzilla.suse.com/1178894"
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"text": "https://www.suse.com/security/cve/CVE-2020-26959"
}
],
"notes": [
{
"category": "general",
"text": "During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
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"summary": "CVE-2020-26959",
"url": "https://www.suse.com/security/cve/CVE-2020-26959"
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"summary": "SUSE Bug 1178824 for CVE-2020-26959",
"url": "https://bugzilla.suse.com/1178824"
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{
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"url": "https://bugzilla.suse.com/1178894"
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{
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
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"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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"products": [
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"date": "2020-11-30T00:00:00Z",
"details": "important"
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],
"title": "CVE-2020-26959"
},
{
"cve": "CVE-2020-26960",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-26960"
}
],
"notes": [
{
"category": "general",
"text": "If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-26960",
"url": "https://www.suse.com/security/cve/CVE-2020-26960"
},
{
"category": "external",
"summary": "SUSE Bug 1178824 for CVE-2020-26960",
"url": "https://bugzilla.suse.com/1178824"
},
{
"category": "external",
"summary": "SUSE Bug 1178894 for CVE-2020-26960",
"url": "https://bugzilla.suse.com/1178894"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2020-11-30T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-26960"
},
{
"cve": "CVE-2020-26961",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-26961"
}
],
"notes": [
{
"category": "general",
"text": "When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-26961",
"url": "https://www.suse.com/security/cve/CVE-2020-26961"
},
{
"category": "external",
"summary": "SUSE Bug 1178824 for CVE-2020-26961",
"url": "https://bugzilla.suse.com/1178824"
},
{
"category": "external",
"summary": "SUSE Bug 1178894 for CVE-2020-26961",
"url": "https://bugzilla.suse.com/1178894"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2020-11-30T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-26961"
},
{
"cve": "CVE-2020-26965",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-26965"
}
],
"notes": [
{
"category": "general",
"text": "Some websites have a feature \"Show Password\" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software keyboard that remembers user input, a user typed their password and used that feature, the type of the password field was changed, resulting in a keyboard layout change and the possibility for the software keyboard to remember the typed password. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-26965",
"url": "https://www.suse.com/security/cve/CVE-2020-26965"
},
{
"category": "external",
"summary": "SUSE Bug 1178824 for CVE-2020-26965",
"url": "https://bugzilla.suse.com/1178824"
},
{
"category": "external",
"summary": "SUSE Bug 1178894 for CVE-2020-26965",
"url": "https://bugzilla.suse.com/1178894"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2020-11-30T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-26965"
},
{
"cve": "CVE-2020-26968",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-26968"
}
],
"notes": [
{
"category": "general",
"text": "Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-26968",
"url": "https://www.suse.com/security/cve/CVE-2020-26968"
},
{
"category": "external",
"summary": "SUSE Bug 1178824 for CVE-2020-26968",
"url": "https://bugzilla.suse.com/1178824"
},
{
"category": "external",
"summary": "SUSE Bug 1178894 for CVE-2020-26968",
"url": "https://bugzilla.suse.com/1178894"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 8:thunderbird-0:78.5.0-1.el8_3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2020-11-30T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2020-26968"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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