CVE-2026-100826

Denial-of-service in the Storage: StorageManager component

State: Published
Severity: 6.5 Medium
Published: Sep 29, 2026
Updated: Sep 30, 2026
Reserved: Sep 26, 2026

Description

Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
FirefoxMozilla	153.4 through 153.*Not affected 157 and laterNot affected
ThunderbirdMozilla	153.4 through 153.*Not affected 157 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2059222
https://www.mozilla.org/security/advisories/mfsa2026-100/
https://www.mozilla.org/security/advisories/mfsa2026-101/
https://www.mozilla.org/security/advisories/mfsa2026-103/
https://www.mozilla.org/security/advisories/mfsa2026-97/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.