CVE-2023-25751

Summary

Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

Impact & exploitability

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

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://bugzilla.mozilla.org/show_bug.cgi?id=1814899Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-09/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-10/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-11/Advisory