python3-devel (AlmaLinux:10) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the AlmaLinux:10 package python3-devel, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (12)

• CVE-2026-6100 — CVSS 8.1 (high): Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails…
• CVE-2026-4224 — CVSS 7.5 (high): When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content…
• CVE-2025-59375 — CVSS 7.5 (high): libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for…
• CVE-2026-3644 — CVSS 7.5 (high): The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and…
• CVE-2026-4786 — CVSS 7.1 (high): Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the…
• CVE-2026-0672: When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects…
• CVE-2025-15282: User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
• CVE-2026-2297: The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and…
• CVE-2026-1502: CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
• CVE-2025-13837 — CVSS 5.5 (medium): When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and…
• CVE-2025-6075 — CVSS 5.5 (medium): If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
• CVE-2026-4519 — CVSS 3.3 (low): The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers…