CVE-2024-7521

Aug. 6, 2024, 4:30 p.m.

Tags

CWE-755
security@mozilla.org
2024-08-06
CVE-2024-7521

CVSS Score

9.8 / 10

Product(s) Impacted

Firefox

  • < 129
  • < 115.14
  • < 128.1

Description

Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Weaknesses

CWE-755
Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

CWE ID: 755

Date

Published: Aug. 6, 2024, 1:15 p.m.

Last Modified: Aug. 6, 2024, 4:30 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@mozilla.org

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
9.8
Exploitability Score
3.9
Impact Score
5.9
Base Severity
CRITICAL
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1904644
security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-33/
security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-34/
security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-35/
security@mozilla.org