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