CVE-2026-3276
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Potential DoS via quadratic complexity in unicodedata.normalize()
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
CPython
- Vendor
- Python Software Foundation
- Product
- CPython
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | python | 3.10.21 | Unavailable | None listed |
| 3.11.0 | affected | python | 3.11.16 | Unavailable | None listed |
| 3.12.0 | affected | python | 3.12.14 | Unavailable | None listed |
| 3.13.0 | affected | python | 3.13.14 | Unavailable | None listed |
| 3.14.0 | affected | python | 3.14.6 | Unavailable | None listed |
| 3.15.0a1 | affected | python | 3.15.0b2 | Unavailable | None listed |