{"cve":"CVE-2023-4048","nvd":{"published":"2023-08-01T15:15:09.967","modified":"2026-06-17T06:36:59.193","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-125"],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1841368","https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html","https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html","https://www.debian.org/security/2023/dsa-5464","https://www.debian.org/security/2023/dsa-5469"],"products":["debian:debian_linux","mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-4048","score":0.00931,"percentile":0.60629,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}