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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-113470
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-20 13:16:41 UTC
Updated2026-10-20 20:17:17 UTC
DescriptionMozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was distributed to clients via RemoteSettings the same day. This update contains the updated OneCRL block list, ensuring clients will block the compromised certificates even if RemoteSettings is disabled by policy or otherwise unavailable in the user's network environment. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, and Thunderbird 153.5.1.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from ADP

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

Problem Types: CWE-295 | CWE-295 CWE-295 Improper Certificate Validation

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mozilla Firefox unaffected 115.43.1 115.* rpm Not specified
CNA Mozilla Firefox unaffected 153.5.1 153.* rpm Not specified
CNA Mozilla Firefox unaffected 158.0.1 * rpm Not specified
CNA Mozilla Thunderbird unaffected 153.5.1 153.* rpm Not specified
CNA Mozilla Thunderbird unaffected 158.0.1 * rpm Not specified

References

ReferenceSourceLinkTags
www.mozilla.org/security/advisories/mfsa2026-114 [email protected] www.mozilla.org
www.mozilla.org/security/advisories/mfsa2026-111 [email protected] www.mozilla.org
www.mozilla.org/security/advisories/mfsa2026-115 [email protected] www.mozilla.org
www.mozilla.org/security/advisories/mfsa2026-113 [email protected] www.mozilla.org
bugzilla.mozilla.org/show_bug.cgi [email protected] bugzilla.mozilla.org
www.openwall.com/lists/oss-security/2026/10/20/30 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
www.mozilla.org/security/advisories/mfsa2026-112 [email protected] www.mozilla.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Wayne (en)

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