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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 thunderbirdUpgrade firefox-x11Upgrade firefox | Apr 29, 2026 | Apr 27, 2026 |
| Amazon Linux Ami 2 | — | Upgrade nss-pkcs11-develUpgrade nssUpgrade thunderbirdUpgrade nss-develUpgrade nss-toolsUpgrade nss-debuginfoUpgrade nss-sysinitUpgrade firefox | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade nss-util-develUpgrade nspr-develUpgrade nss-utilUpgrade nss-pkcs11-develUpgrade nss-softokn-develUpgrade nss-softokn-freebl-develUpgrade nspr-debuginfoUpgrade nsprUpgrade nss-debugsourceUpgrade nss-softokn-freebl-debuginfoUpgrade nss-develUpgrade nss-softokn-freeblUpgrade nss-softoknUpgrade nss-util-debuginfoUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade nss-toolsUpgrade nss-sysinit-debuginfoUpgrade nss-softokn-debuginfoUpgrade nssUpgrade nss-debuginfoUpgrade nss-sysinitUpgrade firefoxUpgrade nss-tools-debuginfo | May 19, 2026 | Apr 21, 2026 |
| Debian | — | Upgrade firefox-esrUpgrade nssUpgrade thunderbird | Apr 23, 2026 | Apr 23, 2026 |
| Freebsd | — | Upgrade firefox-esrUpgrade firefoxUpgrade thunderbird | Apr 30, 2026 | Apr 28, 2026 |
| Mfsa2026 30 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 150.0 | Apr 23, 2026 | Apr 21, 2026 |
| Mfsa2026 31 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 115.35 | 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 Mozilla Thunderbird version 140.10Upgrade to the latest version of Mozilla Thunderbird | Apr 23, 2026 | Apr 21, 2026 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox | Apr 29, 2026 | Apr 21, 2026 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbirdNo solution existsUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debugsource | Apr 29, 2026 | Apr 21, 2026 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade firefox-x11Upgrade firefoxUpgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfo | May 4, 2026 | Apr 28, 2026 |
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