VYPR
High severity8.8NVD Advisory· Published Aug 17, 2021· Updated Jun 17, 2026

CVE-2021-29980

CVE-2021-29980

Description

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

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Affected products

72

Patches

Vulnerability mechanics

References

7

News mentions

0

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