During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-10-25. NVD baseline CVSS 7.5; sources differ by 0.0.
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
October 25, 2023
June 17, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | firefox-mozsymbols (119.0+build2-0ubuntu0.20.04.1) @ focal | 2026-05-24 | ubuntu |
| ubuntu | xul-ext-lightning (1:115.4.1+build1-0ubuntu0.23.04.1) @ lunar | 2026-05-24 | ubuntu |
| redhat | firefox-0:115.4.0-1.el9_0 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el7_9 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_4 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_6 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el9_2 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_2 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_8 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_8 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_1 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_1 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_2 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_6 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el9_2 | 2023-10-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
RHSA-2023:6162 — Moderate
RHSA-2023:6185 — Moderate
RHSA-2023:6186 — Moderate
RHSA-2023:6187 — Moderate
RHSA-2023:6188 — Moderate
RHSA-2023:6189 — Moderate
RHSA-2023:6191 — Moderate
RHSA-2023:6194 — Moderate
RHSA-2023:6195 — Moderate
RHSA-2023:6196 — Moderate
RHSA-2023:6197 — Moderate
RHSA-2023:6198 — Moderate
RHSA-2023:6199 — Moderate
Firefox vulnerabilities
Thunderbird vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2023-5728
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redhat
CWE-416