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CVE-2021-4127

UNKNOWN
Published 2022-12-22T00:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.470
Higher than 47.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Thunderbird

Affected Versions:

unspecified
Mozilla

Firefox ESR

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-7wp9-fj5q-c4jc

Advisory Details

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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 Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-4127
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1691547
WEB https://www.mozilla.org/security/advisories/mfsa2021-11
WEB https://www.mozilla.org/security/advisories/mfsa2021-12

Advisory provided by GitHub Security Advisory Database. Published: December 22, 2022, Modified: April 16, 2025

References

https://www.mozilla.org/security/advisories/mfsa2021-12/
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://bugzilla.mozilla.org/show_bug.cgi?id=1691547
Published: 2022-12-22T00:00:00.000Z
Last Modified: 2025-04-16T15:51:21.077Z
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