Home > Vulnerability Database > CVE-2020-26971

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2020-26971

Date: January 7, 2021

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.

Severity Score

8.8

Related Resources (10)

Url: https://bugzilla.mozilla.org/show_bug.cgi?id=1663466

Url: https://www.mozilla.org/security/advisories/mfsa2020-56/

Url: https://access.redhat.com/security/cve/CVE-2020-26971

Url: https://www.mozilla.org/security/advisories/mfsa2020-55/

Url: https://www.mozilla.org/security/advisories/mfsa2020-54/

Url: https://security-tracker.debian.org/tracker/CVE-2020-26971

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-26971

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26971

Url: https://security.alpinelinux.org/vuln/CVE-2020-26971

Url: https://www.mend.io/vulnerability-database/CVE-2020-26971

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Do you need more information?

Contact Us