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CVE-2022-45406

UNKNOWN
Published 2022-12-22T00:00:00.000Z
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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
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.580
Higher than 58.0% 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

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox ESR

Affected Versions:

unspecified
Mozilla

Thunderbird

Affected Versions:

unspecified
Mozilla

Firefox

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-h3mp-j53v-44vx

Advisory Details

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

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-2022-45406
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
WEB https://www.mozilla.org/security/advisories/mfsa2022-47
WEB https://www.mozilla.org/security/advisories/mfsa2022-48
WEB https://www.mozilla.org/security/advisories/mfsa2022-49

Advisory provided by GitHub Security Advisory Database. Published: December 22, 2022, Modified: April 15, 2025

References

https://www.mozilla.org/security/advisories/mfsa2022-47/
https://www.mozilla.org/security/advisories/mfsa2022-49/
https://www.mozilla.org/security/advisories/mfsa2022-48/
https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
Published: 2022-12-22T00:00:00.000Z
Last Modified: 2025-04-15T14:47:06.561Z
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