Vulnerabilities in Python Software Foundation
81 resultsCVE-2026-4224MEDIUMStack overflow parsing XML with deeply nested DTD content modelsEPSS 0.7%CVE-2026-11972HIGHtarfile opened in streaming mode mishandles EOFEPSS 0.7%CVE-2024-3220LOWDefault mimetype known files writeable on WindowsEPSS 0.7%CVE-2026-7210MEDIUMThe expat and elementtree parsers use insufficient entropy for XML hash-flooding protectionEPSS 0.7%CVE-2024-11168MEDIUMImproper validation of IPv6 and IPvFuture addressesEPSS 0.7%CVE-2024-9287MEDIUMVirtual environment (venv) activation scripts don't quote pathsEPSS 0.6%CVE-2026-15308HIGHIncremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarationsEPSS 0.6%CVE-2025-1795LOWMishandling of comma during folding and unicode-encoding of email headersEPSS 0.6%CVE-2025-4435HIGHTarfile extracts filtered members when errorlevel=0EPSS 0.6%CVE-2025-11468MEDIUMFolding email comments of unfoldable characters doesn't preserve parenthesisEPSS 0.6%CVE-2026-87910MEDIUMtarfile hardlink fallback ignores custom extraction filter rejection via NoneEPSS 0.6%CVE-2025-6069MEDIUMHTMLParser quadratic complexity when processing malformed inputsEPSS 0.6%CVE-2026-7774MEDIUMtarfile.data_filter path traversal bypass allows writing outside the extraction directoryEPSS 0.6%CVE-2026-6100CRITICALUse-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressureEPSS 0.6%CVE-2026-1299MEDIUMemail BytesGenerator header injection due to unquoted newlinesEPSS 0.6%CVE-2026-1502MEDIUMHTTP client proxy tunnel headers not validated for CR/LFEPSS 0.6%CVE-2026-0865MEDIUMwsgiref.headers.Headers allows header newline injectionEPSS 0.6%CVE-2026-3087MEDIUMshutil.unpack_archive() doesn't check for Windows absolute paths in ZIPsEPSS 0.6%CVE-2026-19553HIGHSSLContext.wrap_bio() missing validation of server_hostname parameterEPSS 0.5%CVE-2025-15282MEDIUMHeader injection via newlines in data URL mediatypeEPSS 0.5%