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It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefox | Mar 13, 2025 | Mar 4, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debuginfo | Apr 2, 2025 | Mar 4, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Mar 10, 2025 | Mar 4, 2025 |
| Freebsd | — | Upgrade librewolfUpgrade thunderbirdUpgrade firefox-esrUpgrade firefox | Apr 5, 2025 | Apr 3, 2025 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade dev-lang/spidermonkey.Upgrade www-client/firefox.Upgrade mail-client/thunderbird. | May 13, 2025 | Mar 4, 2025 |
| Mfsa2025 14 | — | Upgrade to Mozilla Firefox version 136.0Upgrade to the latest version of Mozilla Firefox | Mar 5, 2025 | Mar 4, 2025 |
| Mfsa2025 16 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.8 | Mar 5, 2025 | Mar 4, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.8 | Mar 5, 2025 | Mar 4, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade firefox-x11 | Mar 10, 2025 | Mar 4, 2025 |
| Redhat_linux | — | Upgrade firefox-x11Upgrade firefoxNo solution existsUpgrade firefox-debuginfoUpgrade firefox-debugsource | Mar 10, 2025 | Mar 4, 2025 |
| Rocky_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade mozjs128-develUpgrade MozillaFirefoxUpgrade libmozjs-128-0Upgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade mozjs128Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-devel | Mar 6, 2025 | Mar 4, 2025 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Mar 10, 2025 | Mar 4, 2025 |
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