CVE-2023-5171

Summary

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.

Affected Software

Weaknesses

• Use-after-free in Ion Compiler

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1851599
• https://www.mozilla.org/security/advisories/mfsa2023-41/
• https://www.mozilla.org/security/advisories/mfsa2023-42/
• https://www.mozilla.org/security/advisories/mfsa2023-43/
• https://www.debian.org/security/2023/dsa-5506
• https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html
• https://www.debian.org/security/2023/dsa-5513
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/
• https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1851599
• https://www.mozilla.org/security/advisories/mfsa2023-41/
• https://www.mozilla.org/security/advisories/mfsa2023-42/
• https://www.mozilla.org/security/advisories/mfsa2023-43/
• https://www.debian.org/security/2023/dsa-5506
• https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html
• https://www.debian.org/security/2023/dsa-5513
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/
• https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html

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