Bug 2484424 (CVE-2026-3276) - CVE-2026-3276 python: Python unicodedata: Denial of Service due to excessive CPU consumption
Summary: CVE-2026-3276 python: Python unicodedata: Denial of Service due to excessive ...
Keywords:
Status: NEW
Alias: CVE-2026-3276
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2484551 2484553 2484554 2484556 2484557 2484558 2484550 2484552 2484555 2484559
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-03 16:02 UTC by OSIDB Bzimport
Modified: 2026-07-04 08:02 UTC (History)
20 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-06-03 16:02:06 UTC 
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.
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