CVE-2021-4127 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox ESR

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer8 documents7 sources
Severity
9.8CRITICALNVD
EPSS
0.7%
top 28.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶CVEListV5mozilla/firefox_esrunspecified — 78.9
▶CVEListV5mozilla/thunderbirdunspecified — 78.9
▶NVDmozilla/firefox_esr< 78.9.0
▶NVDmozilla/thunderbird< 78.9.0
▶Debianmozilla/thunderbird< 1:78.9.0-1+3

Patches

Patch: bugzilla.mozilla.org ↗Patch: bugzilla.mozilla.org ↗

🔴Vulnerability Details

3
CVEList
CVE-2021-4127: An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited↗2022-12-22
▶
GHSA
GHSA-7wp9-fj5q-c4jc: An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited↗2022-12-22
▶
OSV
CVE-2021-4127: An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited↗2022-12-22
▶

📋Vendor Advisories

4
Red Hat
Mozilla: Angle graphics library out of date↗2021-03-23
▶
Debian
CVE-2021-4127: firefox-esr - An out of date graphics library (Angle) likely contained vulnerabilities that co...↗2021
▶
Mozilla
Mozilla Foundation Security Advisory 2021-12: CVE-2021-4127↗
▶
Mozilla
Mozilla Foundation Security Advisory 2021-11: CVE-2021-4127↗
▶
CVE-2021-4127 — Mozilla Firefox ESR vulnerability | cvebase