CVE-2023-4048

Published: Aug 1, 2023Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Affected (6)

Products: Mozilla: Firefox · Debian: Debian Linux

1 product

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 116.0
Mozilla Firefox	From 102.0 to 102.14
Mozilla Firefox	From 115.0 to 115.1

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 11.0
Debian Debian Linux	Version 12.0

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (16)

https://bugzilla.mozilla.org/show_bug.cgi?id=1841368

Source: security@mozilla.org

Issue TrackingPermissions Required

https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html

Source: security@mozilla.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2023/dsa-5464

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2023/dsa-5469

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2023-29/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2023-30/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2023-31/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1841368