CVE-2026-3276
בינונית 6.3
תיאור (מקור, אנגלית)
unicodedata.normalize() can take excessive CPU time when processing specially crafted Unicode input containing long runs of combining characters with alternating Canonical Combining Class values. This affects all normalization forms.
מדדים
- CVSS 4.0
-
6.3 (MEDIUM)
מקור הציון: CNA
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-8/8/2026
- CWE
- CWE-407
קישורים
- https://github.com/python/cpython/commit/6b505d1f41f8f3ea0fe5a4786d3a8fff1875c…
- https://github.com/python/cpython/commit/90748760d38ca3ac5fc6788a69becab905c95…
- https://github.com/python/cpython/commit/991224b1e8311c85f198f6dd8208bf8cff7fc…
- https://github.com/python/cpython/commit/ba785b88add96acbf403d65cb157fb2743a33…
- https://github.com/python/cpython/commit/c5512bd7c1dc28055660565275012766941d3…
- https://github.com/python/cpython/commit/d3ab945af25b28dfe13ac6cb40c124a01b33c…
- https://github.com/python/cpython/issues/149079
- https://github.com/python/cpython/pull/149080
- https://mail.python.org/archives/list/[email protected]/thread/PP5H…
- http://www.openwall.com/lists/oss-security/2026/06/03/15