CVE-2020-26971

HIGH

8.8

Description

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/7/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:firefox_esrmozilla:thunderbird

Weaknesses (CWE)

CWE-787

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1663466(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-54/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-55/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-56/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1663466(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-54/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-55/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-56/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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