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CVE-2023-4056 Details

Description

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1820587%2C1824634%2C1839235%2C1842325%2C1843847	CVE	Broken LinkIssue Tracking
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html	CVE	Mailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5464	CVE	Mailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5469	CVE	Mailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-29/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/	CVE	Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1820587%2C1824634%2C1839235%2C1842325%2C1843847	[email protected]	Broken LinkIssue Tracking
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html	[email protected]	Mailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5464	[email protected]	Mailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5469	[email protected]	Mailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-29/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/	[email protected]	Vendor Advisory

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
mozilla firefox	< 116.0 >= 102.0, < 102.14 >= 115.0, < 115.1
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.
debian debian linux	10.0 11.0 12.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* cpe:2.3:o:debian:debian_linux:11.0:::::::* cpe:2.3:o:debian:debian_linux:12.0:::::::* Remediation No remediation found in references.

Change History

12 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
Oct 21, 2024	CPE Deprecation Remap	[email protected]
Oct 21, 2024	CPE Deprecation Remap	[email protected]
May 14, 2024	CVE Modified	[email protected]
Aug 11, 2023	Modified Analysis	[email protected]
Aug 9, 2023	CVE Modified	[email protected]
Aug 8, 2023	CVE Modified	[email protected]
Aug 7, 2023	CVE Modified	[email protected]
Aug 4, 2023	Initial Analysis	[email protected]
Aug 4, 2023	CVE Modified	[email protected]