PT-2026-45951

CVE-2026-3276

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Published

2026-06-03

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Updated

2026-10-20

Description by

CVSS 4.0
6.3
Medium
MetricsAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Python (affected versions not specified)
Description The unicodedata.normalize() function can consume excessive CPU time when processing specially crafted Unicode input. This occurs when the input contains long sequences of combining characters with alternating Canonical Combining Class values, affecting all normalization forms.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Researchers
Vendors
Affected products
Related identifiers
AZL-89466
BIT-LIBPYTHON-2026-3276
BIT-PYTHON-2026-3276
BIT-PYTHON-MIN-2026-3276
CLSA-2026-1786497454
CLSA-2026-1786764414
CLSA-2026-1790238098
ECHO-3BD2-A10B-BC48
OESA-2026-3068
OESA-2026-3069
OESA-2026-3070
OESA-2026-3071
OESA-2026-3072
OPENSUSE-SU-2026:11101-1
OPENSUSE-SU-2026:11181-1
OPENSUSE-SU-2026:11426-1
OPENSUSE-SU-2026:11427-1
OPENSUSE-SU-2026:11428-1
OPENSUSE-SU-2026:11534-1
PSF-2026-25
RHSA-2026:68132
SUSE-SU-2026:23191-1
SUSE-SU-2026:23212-1
SUSE-SU-2026:23743-1
SUSE-SU-2026:3530-1
SUSE-SU-2026:3548-1
SUSE-SU-2026:3560-1
SUSE-SU-2026:3569-1
SUSE-SU-2026:3601-1
SUSE-SU-2026:3635-1
SUSE-SU-2026:3648-1
SUSE-SU-2026:3649-1
SUSE-SU-2026:3655-1
SUSE-SU-2026:3855-1
SUSE-SU-2026:3862-1
SUSE-SU-2026:4174-1
SUSE-SU-2026:4534-1
SUSE-SU-2026:4580-1
SUSE-SU-2026:4581-1
SUSE-SU-2026:4582-1
SUSE-SU-2026:4583-1
SUSE-SU-2026:4584-1
SUSE-SU-2026:4585-1
SUSE-SU-2026:4743-1
SUSE-SU-2026:4744-1
SUSE-SU-2026:4754-1
USN-8509-1
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