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PRIOn knowledge basePRION:CVE-2021-4129HistoryDec 22, 2022 - 8:15 p.m.
Memory corruption
2022-12-2220:15:00
PRIOn knowledge base
www.prio-n.com
3
mozilla developers
memory safety bugs
evidence of memory corruption
arbitrary code
firefox < 95
firefox esr < 91.4.0
thunderbird < 91.4.0
Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.
| CPE | Name | Operator | Version |
|---|---|---|---|
| firefox | lt | 95.0 | |
| firefox_esr | lt | 91.4.0 | |
| thunderbird | lt | 91.4.0 |
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