RHSA-2026:20574

Vulnerability from csaf_opensuse - Published: 2026-05-26 00:00 - Updated: 2026-09-16 18:19
Summary
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-2026:20574. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:20574.
Patchnames: RHSA-2026:20574
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
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 9:firefox-140.10.2-1.el9_8.x86_64
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:firefox-x11-140.10.2-1.el9_8.x86_64
Vendor Fix
Threats
Impact important
Affected products
Recommended 2 products, the same list as for CVE-2026-8090
Threats
Impact important
Affected products
Recommended 2 products, the same list as for CVE-2026-8090
Threats
Impact important

{
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      "text": "Important"
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    "category": "csaf_security_advisory",
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    "distribution": {
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    "notes": [
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        "text": "security update for firefox",
        "title": "Title of the patch"
      },
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        "category": "description",
        "text": "This security update provides a functional equivalent of RHSA-2026:20574.\nThe original Red Hat(R) advisory is available from the Red Hat web site at\nhttps://access.redhat.com/errata/RHSA-2026:20574.\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "RHSA-2026:20574",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
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    "publisher": {
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    "references": [
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        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
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      },
      {
        "category": "self",
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      },
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        "category": "self",
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    "title": "security update for firefox",
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      "revision_history": [
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          "number": "1",
          "summary": "Current version"
        },
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          "date": "2026-09-16T17:46:11Z",
          "number": "2",
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          "date": "2026-09-16T18:19:07Z",
          "number": "3",
          "summary": "unknown changes"
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        },
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        "relates_to_product_reference": "SUSE Liberty Linux 9"
      },
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        "category": "default_component_of",
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        "relates_to_product_reference": "SUSE Liberty Linux 9"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-8090",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-8090"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.",
          "title": "CVE description"
        }
      ],
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          "SUSE Liberty Linux 9:firefox-x11-140.10.2-1.el9_8.x86_64"
        ]
      },
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          "summary": "CVE-2026-8090",
          "url": "https://www.suse.com/security/cve/CVE-2026-8090"
        },
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          "summary": "SUSE Bug 1264378 for CVE-2026-8090",
          "url": "https://bugzilla.suse.com/1264378"
        }
      ],
      "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-140.10.2-1.el9_8.x86_64",
            "SUSE Liberty Linux 9:firefox-x11-140.10.2-1.el9_8.x86_64"
          ]
        }
      ],
      "scores": [
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            "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"
          },
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          ]
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          "text": "https://www.suse.com/security/cve/CVE-2026-8092"
        }
      ],
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        {
          "category": "general",
          "text": "Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.",
          "title": "CVE description"
        }
      ],
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          ]
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      ],
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        {
          "cvss_v3": {
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            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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      ],
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        {
          "category": "general",
          "text": "Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.",
          "title": "CVE description"
        }
      ],
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            "SUSE Liberty Linux 9:firefox-140.10.2-1.el9_8.x86_64",
            "SUSE Liberty Linux 9:firefox-x11-140.10.2-1.el9_8.x86_64"
          ]
        }
      ],
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          "cvss_v3": {
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            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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          },
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            "SUSE Liberty Linux 9:firefox-x11-140.10.2-1.el9_8.x86_64"
          ]
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          "details": "important"
        }
      ],
      "title": "CVE-2026-8094"
    }
  ]
}



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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.
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  • 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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