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CVE DATABASE  /  CVE-2021-43537

CVE-2021-43537

CVSS 8.8 · HIGH

Summary

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVSS 3.1 breakdown

Base score8.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH

Weakness type (CWE)

Affected products

Mozilla firefoxMozilla firefox esrMozilla thunderbirdDebian debian linux
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References

Data: NIST NVD. NVD last modified 2024-11-21. Always verify against the vendor advisory before acting.

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