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cve/2021/CVE-2021-23987.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-23987

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. 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 ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

POC

Reference

No PoCs from references.

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