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.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | Sep 30, 2026 | Sep 1, 2026 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Sep 21, 2026 | Sep 1, 2026 |
| Mfsa2026 82 | — | Upgrade to Mozilla Firefox version 155.0Upgrade to the latest version of Mozilla Firefox | Sep 1, 2026 | Sep 1, 2026 |
| Mfsa2026 83 | — | Upgrade to Mozilla Firefox ESR version 115.40Upgrade to the latest version of Mozilla Firefox | Sep 1, 2026 | Sep 1, 2026 |
| Mfsa2026 84 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 140.15 | Sep 1, 2026 | Sep 1, 2026 |
| Mfsa2026 85 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 153.2 | Sep 1, 2026 | Sep 1, 2026 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 153.2Upgrade to the latest version of Mozilla Thunderbird | Sep 1, 2026 | Sep 1, 2026 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade thunderbird-debugsourceUpgrade thunderbird | Sep 3, 2026 | Sep 1, 2026 |
| Rocky_linux | — | Upgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debugsource | Sep 28, 2026 | Sep 25, 2026 |
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