CVE catalog
CVE-2026-16389
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.64% · Oct 25, 2026
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | nss | sid | 2:3.131.1-1 | fixed |
| Debian | nss | forky | 2:3.131.1-1 | fixed |
| Debian | nss | trixie | 2:3.110-1+deb13u4 | fixed |
| Debian | nss | trixie-security | 2:3.110-1+deb13u4 | fixed |
| Debian | nss | bookworm | 2:3.87.1-1+deb12u2 | vulnerable |
| Debian | nss | bookworm-security | 2:3.87.1-1+deb12u4 | fixed |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-7fakesync1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.8.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.9.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu4 | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-1~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-2~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1 | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1ubuntu1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1build1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1ubuntu3 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.11.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.12.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.13.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.15.1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.13.0-1 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-2 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-4ubuntu1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.5.1-0ubuntu1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.6.0-1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.6.0-2 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.7.0-2 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.10.0-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.1.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.4.0+build1.1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.4.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.5.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.5.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.6.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.7.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.7.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.8.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.9.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.11.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.2.2+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.4.2+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.7.1+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.8.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.9.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.10.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.11.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.13.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.15.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.15.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.3.1+build1-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.4.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.5.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.6.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.8.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.9.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.10.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.11.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.12.0+build3-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.13.0+build5-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.15.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.16.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.18.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:128.12.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:140.7.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 24.04 | 102.15.1-1 | vulnerable |
| Ubuntu | mozjs102 | 24.04 | 102.15.1-3ubuntu2 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.3.0-0ubuntu1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.4.0-2 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.5.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.6.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.7.0-4 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.8.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.9.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.9.0-1build1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.10.0-1 | vulnerable |
| Cpe | firefox | Not reported | 153.0.0 | fixed |
| Cpe | thunderbird | Not reported | 153.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nss | source | sid | 2:3.126-1 | not yet assigned | Not reported | Not reported |
| Debian | nss | source | forky | 2:3.126-1 | not yet assigned | Not reported | Not reported |
| Debian | nss | source | trixie | 2:3.110-1+deb13u4 | not yet assigned | Not reported | Not reported |
| Debian | nss | source | bookworm | 2:3.87.1-1+deb12u4 | not yet assigned | Not reported | Not reported |
| Cpe | firefox | cpe | Not reported | 153.0.0 | Not reported | NVD-CVE-2026-16389 | Not reported |
| Cpe | thunderbird | cpe | Not reported | 153.0 | Not reported | NVD-CVE-2026-16389 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libnss3]Affected
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
- [libnss3-dev]Affected
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
- [libnss3-tools]Affected
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormAffected · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.87.1-1+deb12u4nvd · nss · debian · bookworm; nvd · nss · debian · 12
[Debian 13 (Trixie)]
- [libnss3]Affected
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
- [libnss3-dev]Affected
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
- [libnss3-tools]Affected
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieAffected · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.110-1+deb13u4nvd · nss · debian · 13
Observed:
References
- [https://bugzilla.mozilla.org/show_bug.cgi?id=2043887]
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11358-1.json]
- [https://lists.debian.org/debian-lts-announce/2026/08/msg00019.html]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-16389]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-16389]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-16389]
- [https://security-tracker.debian.org/tracker/CVE-2026-16389]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-16389.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2458.json]
- [https://www.mozilla.org/security/advisories/mfsa2026-68/]
- [https://www.mozilla.org/security/advisories/mfsa2026-71/]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]