Other issue in the Libraries component in NSS (Mozilla Firefox)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 14 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mozilla
- NVD status
- Analyzed
Description
Other issue 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.
Weaknesses (CWE)
- CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2023209
- https://www.mozilla.org/security/advisories/mfsa2026-30/
- https://www.mozilla.org/security/advisories/mfsa2026-31/
- https://www.mozilla.org/security/advisories/mfsa2026-32/
- https://www.mozilla.org/security/advisories/mfsa2026-33/
- https://www.mozilla.org/security/advisories/mfsa2026-34/
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CISA-ADP |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-24108
- GCVE · GCVE-0-2026-6767
CERT-FR advisories
- CERTFR-2026-AVI-0480 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*< 115.35.0cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*< 150.0cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*≥ 140.0 < 140.10.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*≥ 140.0 < 140.10.0
Affected products
| Product | Versions |
|---|---|
| Mozilla · Firefox | unaffected 115.35 ≤ 115.* ; unaffected 140.10 ≤ 140.* ; unaffected 150 ≤ * |
| Mozilla · Thunderbird | unaffected 140.10 ≤ 140.* ; unaffected 150 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |