Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. 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 < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
The product reads or writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer.
Link | Tags |
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https://bugzilla.mozilla.org/buglist.cgi?bug_id=1862809%2C1889355%2C1893388%2C1895123 | issue tracking |
https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html | mailing list |
https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html | mailing list |
https://www.mozilla.org/security/advisories/mfsa2024-25/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2024-26/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2024-28/ | vendor advisory |