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CVE-2021-43539

Mozilla / Thunderbird PUBLISHED

Description (CNA)

Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Affected (CNA)

Vendor / productVersions
Mozilla / Thunderbirdaffected unspecified before 91.4.0
Mozilla / Firefox ESRaffected unspecified before 91.4.0
Mozilla / Firefoxaffected unspecified before 95

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.