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Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | Apr 29, 2026 | Apr 27, 2026 |
| Amazon Linux Ami 2 | — | Upgrade nss-pkcs11-develUpgrade thunderbirdUpgrade nss-develUpgrade firefoxUpgrade nss-sysinitUpgrade nssUpgrade nss-debuginfoUpgrade nss-tools | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade nspr-develUpgrade nspr-debuginfoUpgrade nss-softokn-freeblUpgrade nss-develUpgrade nss-softokn-freebl-develUpgrade nss-util-develUpgrade nss-softokn-develUpgrade nss-softoknUpgrade nsprUpgrade nss-pkcs11-develUpgrade nss-debugsourceUpgrade nss-softokn-freebl-debuginfoUpgrade nss-utilUpgrade nss-util-debuginfoUpgrade nss-softokn-debuginfoUpgrade nssUpgrade nss-sysinit-debuginfoUpgrade nss-debuginfoUpgrade nss-tools-debuginfoUpgrade nss-sysinitUpgrade firefoxUpgrade firefox-debugsourceUpgrade nss-toolsUpgrade firefox-debuginfo | May 19, 2026 | Apr 21, 2026 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esrUpgrade nss | Apr 23, 2026 | Apr 23, 2026 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-esr | Apr 30, 2026 | Apr 28, 2026 |
| Mfsa2026 30 | — | Upgrade to Mozilla Firefox version 150.0Upgrade to the latest version of Mozilla Firefox | Apr 23, 2026 | Apr 21, 2026 |
| Mfsa2026 31 | — | Upgrade to Mozilla Firefox ESR version 115.35Upgrade to the latest version of Mozilla Firefox | Apr 23, 2026 | Apr 21, 2026 |
| Mfsa2026 32 | — | Upgrade to Mozilla Firefox ESR version 140.10Upgrade to the latest version of Mozilla Firefox | Apr 23, 2026 | Apr 21, 2026 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.10 | Apr 23, 2026 | Apr 21, 2026 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | Apr 29, 2026 | Apr 21, 2026 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfoNo solution existsUpgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbird-debugsourceUpgrade firefox-debugsource | Apr 29, 2026 | Apr 21, 2026 |
| Rocky_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbird-debuginfo | May 4, 2026 | Apr 28, 2026 |
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