A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
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 firefoxUpgrade thunderbird | May 4, 2022 | Aug 17, 2021 |
| Alpine Linux | — | Upgrade firefox-esrUpgrade firefoxUpgrade thunderbirdUpgrade librewolf | Aug 22, 2024 | Aug 17, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Sep 16, 2021 | Aug 17, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 17, 2021 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debugsource | Aug 17, 2021 | Aug 16, 2021 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Aug 13, 2021 | Aug 13, 2021 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird. | Feb 22, 2022 | Aug 17, 2021 |
| Mfsa2021 33 | — | Upgrade to Mozilla Firefox version 91.0 | Aug 12, 2021 | Aug 10, 2021 |
| Mfsa2021 34 | — | Upgrade to Mozilla Firefox ESR version 78.13 | Aug 12, 2021 | Aug 10, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.0 | Sep 16, 2021 | Aug 17, 2021 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade web/browser/firefox to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade mail/thunderbird to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4 | Nov 17, 2021 | Aug 17, 2021 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Aug 17, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceNo solution existsUpgrade firefox-debuginfo | Aug 17, 2021 | Aug 16, 2021 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox | May 5, 2022 | Aug 17, 2021 |
| Suse | — | Upgrade mozillafirefox-translations-commonUpgrade mozillafirefox-branding-sleUpgrade rust-cbindgenUpgrade mozillathunderbird-translations-otherUpgrade mozillafirefox-develUpgrade mozillathunderbird-translations-commonUpgrade mozillathunderbirdUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-branding-sledUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox | Aug 13, 2021 | Aug 11, 2021 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Aug 12, 2021 | Aug 11, 2021 |
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