Use after free in Mozilla Firefox
A use-after-free in WebGL extensions could have led to a potentially exploitable crash.
thunderbird security update
Released 2022-12-15 · Red Hat rating Important · View on Red Hat →
A use-after-free in WebGL extensions could have led to a potentially exploitable crash.
A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place.
An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash.
Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.5.
An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.<br>*This bug only affects Thunderbird for Linux.
If a Thunderbird user quoted from an HTML email, for example by replying to the email, and the email contained either a VIDEO tag with the POSTER attribute or an OBJECT tag with a DATA attribute, a network request to the…
A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue.