Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.11 and Thunderbird 128.11.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/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 | May 30, 2025 | May 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox | Jun 12, 2025 | May 27, 2025 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 11, 2025 | May 27, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 29, 2025 | May 27, 2025 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbird | May 31, 2025 | May 30, 2025 |
| Mfsa2025 44 | — | Upgrade to Mozilla Firefox ESR version 128.11 | May 28, 2025 | May 27, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.11 | May 28, 2025 | May 27, 2025 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox-x11Upgrade firefox | May 30, 2025 | May 27, 2025 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefoxNo solution existsUpgrade firefox-x11Upgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsource | May 30, 2025 | May 27, 2025 |
| Rocky_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefox-x11Upgrade firefoxUpgrade thunderbird-debugsource | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade libmozjs-128-0Upgrade mozillafirefox-branding-upstreamUpgrade mozillafirefoxUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbirdUpgrade mozillafirefox-develUpgrade mozjs128-develUpgrade mozillafirefox-translations-commonUpgrade mozillathunderbird-translations-commonUpgrade mozjs128Upgrade mozillafirefox-translations-other | Jun 3, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 23, 2025 | May 27, 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