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Medium 5.4Published Oct 20, 2026
CVE-2026-113470Cryptographic issue in the Security Block-lists, Allow-lists, and other State component
Updated under an hour ago ()
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It affects Mozilla Firefox and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Cryptographic issue in the Security Block-lists, Allow-lists, and other State component. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, Thunderbird 153.5.1, and Firefox 158.0.2.
- CVSS
- 5.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mozilla
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 21, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
Mozilla Firefox mozilla:firefox (from the name) | 115.43.1 builds before 115.* not affected; 153.5.1 builds before 153.* not affected; 158.0.1 builds before 158.* not affected; from 158.0.2 not affected | CNA record |
Mozilla Thunderbird mozilla:thunderbird (from the name) | 153.5.1 builds before 153.* not affected; from 158.0.1 not affected | CNA record |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2084311
- https://www.mozilla.org/security/advisories/mfsa2026-111/
- https://www.mozilla.org/security/advisories/mfsa2026-112/
- https://www.mozilla.org/security/advisories/mfsa2026-113/
- https://www.mozilla.org/security/advisories/mfsa2026-114/
- https://www.mozilla.org/security/advisories/mfsa2026-115/
- https://www.mozilla.org/security/advisories/mfsa2026-116/
- http://www.openwall.com/lists/oss-security/2026/10/20/30
- https://lists.debian.org/debian-lts-announce/2026/10/msg00041.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.