A use after free vulnerability exists in curl
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-05-26. NVD baseline CVSS 7.5; sources differ by 0.0.
A use after free vulnerability exists in curl
May 26, 2023
January 15, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | jbcs-httpd24-curl-0:8.2.1-1.el7jbcs | 2023-08-15 | redhat |
| redhat | jbcs-httpd24-curl | 2023-08-15 | 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.
A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.
RHSA-2023:4628 — Moderate
RHSA-2023:4629 — Moderate
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-2023-28319
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msrc · redhat
CWE-416