RHSA-2026:67133
Vulnerability from csaf_opensuse - Published: 2026-09-14 00:00 - Updated: 2026-09-16 18:51Summary
security update for firefox
Severity
Important
Notes
Title of the patch: security update for firefox
Description of the patch: This security update provides a functional equivalent of RHSA-2026:67133.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2026:67133.
Patchnames: RHSA-2026:67133
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Recommended
2 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
8.3 (High)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
5.4 (Medium)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
8.3 (High)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
5.4 (Medium)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
5.4 (Medium)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
8.8 (High)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
9.8 (Critical)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
7.5 (High)
Affected products
Recommended
2 products, the same list as for
CVE-2026-16365
Threats
Impact
important
References
43 references
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"vulnerabilities": [
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"product_ids": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
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],
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}
],
"notes": [
{
"category": "general",
"text": "Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
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]
},
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"notes": [
{
"category": "general",
"text": "Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
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]
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{
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}
],
"notes": [
{
"category": "general",
"text": "Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
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},
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{
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]
}
],
"scores": [
{
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},
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]
}
],
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{
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}
],
"notes": [
{
"category": "general",
"text": "Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
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]
},
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"url": "https://www.suse.com/security/cve/CVE-2026-84121"
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{
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"url": "https://bugzilla.suse.com/1278001"
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]
}
],
"scores": [
{
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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]
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],
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{
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"title": "CVE-2026-84121"
},
{
"cve": "CVE-2026-84122",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-84122"
}
],
"notes": [
{
"category": "general",
"text": "Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-84122",
"url": "https://www.suse.com/security/cve/CVE-2026-84122"
},
{
"category": "external",
"summary": "SUSE Bug 1278001 for CVE-2026-84122",
"url": "https://bugzilla.suse.com/1278001"
},
{
"category": "external",
"summary": "SUSE Bug 1278034 for CVE-2026-84122",
"url": "https://bugzilla.suse.com/1278034"
}
],
"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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-14T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-84122"
},
{
"cve": "CVE-2026-84124",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-84124"
}
],
"notes": [
{
"category": "general",
"text": "Use-after-free in the DOM: Core \u0026 HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
},
"references": [
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"summary": "CVE-2026-84124",
"url": "https://www.suse.com/security/cve/CVE-2026-84124"
},
{
"category": "external",
"summary": "SUSE Bug 1278001 for CVE-2026-84124",
"url": "https://bugzilla.suse.com/1278001"
},
{
"category": "external",
"summary": "SUSE Bug 1278034 for CVE-2026-84124",
"url": "https://bugzilla.suse.com/1278034"
}
],
"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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-14T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-84124"
},
{
"cve": "CVE-2026-84131",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-84131"
}
],
"notes": [
{
"category": "general",
"text": "Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-84131",
"url": "https://www.suse.com/security/cve/CVE-2026-84131"
},
{
"category": "external",
"summary": "SUSE Bug 1278001 for CVE-2026-84131",
"url": "https://bugzilla.suse.com/1278001"
},
{
"category": "external",
"summary": "SUSE Bug 1278034 for CVE-2026-84131",
"url": "https://bugzilla.suse.com/1278034"
}
],
"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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-14T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-84131"
},
{
"cve": "CVE-2026-84143",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-84143"
}
],
"notes": [
{
"category": "general",
"text": "Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-84143",
"url": "https://www.suse.com/security/cve/CVE-2026-84143"
},
{
"category": "external",
"summary": "SUSE Bug 1278001 for CVE-2026-84143",
"url": "https://bugzilla.suse.com/1278001"
},
{
"category": "external",
"summary": "SUSE Bug 1278034 for CVE-2026-84143",
"url": "https://bugzilla.suse.com/1278034"
}
],
"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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-14T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-84143"
},
{
"cve": "CVE-2026-84145",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-84145"
}
],
"notes": [
{
"category": "general",
"text": "Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-84145",
"url": "https://www.suse.com/security/cve/CVE-2026-84145"
},
{
"category": "external",
"summary": "SUSE Bug 1278001 for CVE-2026-84145",
"url": "https://bugzilla.suse.com/1278001"
},
{
"category": "external",
"summary": "SUSE Bug 1278034 for CVE-2026-84145",
"url": "https://bugzilla.suse.com/1278034"
}
],
"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 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Liberty Linux 9:firefox-140.15.0-1.el9_8.x86_64",
"SUSE Liberty Linux 9:firefox-x11-140.15.0-1.el9_8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-14T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-84145"
}
]
}
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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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