CVE-2023-5171

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 118
Mozilla	Firefox ESR	>= unspecified, < 115.3
Mozilla	Thunderbird	>= unspecified, < 115.3

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1851599Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2023/09/msg00034.htmlMailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00015.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5506Patch, Third Party Advisory
https://www.debian.org/security/2023/dsa-5513Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-41/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-42/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-43/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1851599Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2023/09/msg00034.htmlMailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00015.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5506Patch, Third Party Advisory
https://www.debian.org/security/2023/dsa-5513Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-41/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-42/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-43/Vendor Advisory

Timeline

Published: Sep 27, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-517104.2EMS SQL Manager 3.6.2 (build 55333) for Oracle allows DLL hijacking: a user can trigger the execution of arbitrary code every time the produ CVE-2023-517117.8An issue was discovered in Regify Regipay Client for Windows version 4.5.1.0 allows DLL hijacking: a user can trigger the execution of arbit CVE-2023-517124.7An issue was discovered in Trusted Firmware-M through 2.0.0. The lack of argument verification in the logging subsystem allows attackers to CVE-2023-517137.5make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backsla CVE-2023-517149.8An issue was discovered in the HTTP2 implementation in Qt before 5.15.17, 6.x before 6.2.11, 6.3.x through 6.5.x before 6.5.4, and 6.6.x bef CVE-2023-517179.8Dataiku DSS before 11.4.5 and 12.4.1 has Incorrect Access Control that could lead to a full authentication bypass.CVE-2023-517195.4This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Tracerou CVE-2023-51729.8A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and CVE-2023-517205.4This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Time Ser CVE-2023-517215.4This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Time Ser CVE-2023-517225.4This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Time Ser CVE-2023-517235.4This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Descript