Описание
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.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| python3.14 | fixed | 3.14.6-1 | package | |
| python3.13 | fixed | 3.13.14-1 | package | |
| python3.13 | fixed | 3.13.5-2+deb13u3 | trixie | package |
| python3.11 | removed | package | ||
| python3.11 | no-dsa | bookworm | package | |
| python3.9 | removed | package | ||
| python3.9 | postponed | bullseye | package | |
| python2.7 | removed | package | ||
| python2.7 | end-of-life | bullseye | package |
Примечания
https://www.openwall.com/lists/oss-security/2026/06/03/15
https://github.com/python/cpython/pull/149080
https://github.com/python/cpython/commit/991224b1e8311c85f198f6dd8208bf8cff7fc26f (main)
https://github.com/python/cpython/commit/c5512bd7c1dc28055660565275012766941d3066 (v3.15.0b2)
https://github.com/python/cpython/commit/6b505d1f41f8f3ea0fe5a4786d3a8fff1875cfc0 (3.14 branch)
https://github.com/python/cpython/commit/ba785b88add96acbf403d65cb157fb2743a33a32 (3.13 branch)
Связанные уязвимости
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.
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.
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.
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.