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 (Oct 28, 2026, 11:50 AM ET)

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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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Every CVE for Mozilla Firefox

Exploited in the last 30 days

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

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

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.