CVE-2026-4224
- Source
- https://cve.org/CVERecord?id=CVE-2026-4224
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4224.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-4224
- Aliases
- Downstream
- Related
- Published
- 2026-03-16T17:52:26.639Z
- Modified
- 2026-08-14T03:52:01.810043684Z
- Severity
-
- 6.0 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Stack overflow parsing XML with deeply nested DTD content models
- Details
-
When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4224.json", "cna_assigner": "PSF", "unresolved_ranges": [ { "source": "AFFECTED_FIELD", "extracted_events": [ { "fixed": "3.10.21" }, { "introduced": "3.11.0" }, { "fixed": "3.11.16" }, { "introduced": "3.12.0" }, { "fixed": "3.12.14" } ] } ] }- References
-
- http://www.openwall.com/lists/oss-security/2026/03/16/4
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4224.json
- https://mail.python.org/archives/list/security-announce@python.org/thread/5M7CGUW3XBRY7II4DK43KF7NQQ3TPZ6R/
- https://nvd.nist.gov/vuln/detail/CVE-2026-4224
- https://github.com/python/cpython/issues/145986
- https://github.com/python/cpython/commit/196edfb06a7458377d4d0f4b3cd41724c1f3bd4a
- https://github.com/python/cpython/commit/24ce88b285f56ee11626cf5e472af3cd8cc7c621
- https://github.com/python/cpython/commit/642865ddf4b232da1f3b1f7abcfa3254c4bfe785
- https://github.com/python/cpython/commit/af856a7177326ac25d9f66cc6dd28b554d914fee
- https://github.com/python/cpython/commit/e0a8a6da90597a924b300debe045cdb4628ee1f3
- https://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
- https://github.com/python/cpython/pull/145987
- https://github.com/python/cpython