CVE-2026-113470mediumCWE-295

CVE-2026-113470: medium-severity vulnerability in Mozilla Firefox

Cryptographic issue in the Security Block-lists, Allow-lists, and other State component

Published 20 Oct 2026 · Updated 21 Oct 2026

Follow this CVE + Monitor Firefox + Monitor Thunderbird

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.4epss 0.5%

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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products

Mozilla · Firefox Mozilla · Thunderbird

Related CVEs — Mozilla Firefox

In the same product, most dangerous first.

CVE-2016-9079HIGHCVE-2016-9079EPSS 87.4%KEV CVE-2019-11708CRITICALCVE-2019-11708EPSS 55.9%KEV CVE-2019-17026HIGHCVE-2019-17026EPSS 46.3%KEV CVE-2019-11707HIGHCVE-2019-11707EPSS 38.0%KEV CVE-2024-9680CRITICALCVE-2024-9680EPSS 23.2%KEV CVE-2022-26485HIGHCVE-2022-26485EPSS 14.3%KEV

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2084311 https://lists.debian.org/debian-lts-announce/2026/10/msg00041.html 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