A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | Feb 11, 2025 | Feb 4, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Feb 26, 2025 | Feb 4, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Feb 7, 2025 | Feb 4, 2025 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbirdUpgrade firefox | Feb 8, 2025 | Feb 7, 2025 |
| Mfsa2025 07 | — | Upgrade to Mozilla Firefox version 135.0Upgrade to the latest version of Mozilla Firefox | Feb 5, 2025 | Feb 4, 2025 |
| Mfsa2025 08 | — | Upgrade to Mozilla Firefox ESR version 115.20Upgrade to the latest version of Mozilla Firefox | Feb 5, 2025 | Feb 4, 2025 |
| Mfsa2025 09 | — | Upgrade to Mozilla Firefox ESR version 128.7Upgrade to the latest version of Mozilla Firefox | Feb 5, 2025 | Feb 4, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 135.0Upgrade to the latest version of Mozilla Thunderbird | Feb 5, 2025 | Feb 4, 2025 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox-x11Upgrade firefox | Feb 10, 2025 | Feb 4, 2025 |
| Redhat_linux | — | No solution existsUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Feb 10, 2025 | Feb 4, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | Feb 14, 2025 | Feb 4, 2025 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade mozjs128-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbirdUpgrade libmozjs-128-0Upgrade MozillaFirefox-develUpgrade mozjs128Upgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox | Feb 10, 2025 | Feb 4, 2025 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Feb 12, 2025 | Feb 4, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub