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CVE-2023-6866

UNKNOWN
Published 2023-12-19T13:38:48.512Z
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Expert Analysis

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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.009
probability
of exploitation in the wild

There is a 0.9% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.750
Higher than 75.0% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified
mozilla

firefox

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-g9fc-wq66-mpcr

Advisory Details

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-6866
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1849037
WEB https://security.gentoo.org/glsa/202401-10
WEB https://www.mozilla.org/security/advisories/mfsa2023-56

Advisory provided by GitHub Security Advisory Database. Published: December 19, 2023, Modified: August 27, 2024

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1849037
https://www.mozilla.org/security/advisories/mfsa2023-56/
https://security.gentoo.org/glsa/202401-10
Published: 2023-12-19T13:38:48.512Z
Last Modified: 2025-02-13T17:26:39.281Z
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