CVE-2023-4048 — Out-of-bounds Read in Mozilla Firefox
Severity
7.5HIGHNVD
OSV5.3
EPSS
0.5%
top 35.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 1
Latest updateSep 4
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages5 packages
Also affects: Debian Linux 10.0, 11.0, 12.0
🔴Vulnerability Details
6GHSA▶
GHSA-969j-v3p3-p4vv: An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations↗2023-08-01
OSV▶
CVE-2023-4048: An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations↗2023-08-01
📋Vendor Advisories
10Debian▶
CVE-2023-4048: firefox - An out-of-bounds read could have led to an exploitable crash when parsing HTML w...↗2023