CVE-2024-0755

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 122
Mozilla	Firefox ESR	>= unspecified, < 115.7
Mozilla	Thunderbird	>= unspecified, < 115.7

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1868456%2C1871445%2C1873701Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.htmlMailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-04/Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1868456%2C1871445%2C1873701Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.htmlMailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-04/Vendor Advisory

Timeline

Published: Jan 23, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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