Bug 2498608 (CVE-2026-15308) - CVE-2026-15308 python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations
Summary: CVE-2026-15308 python: Python: CPU Denial of Service in HTML parser via repea...
Keywords:
Status: NEW
Alias: CVE-2026-15308
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2498687 2498688 2498689 2498690 2498691 2498692 2498693 2498694 2498695 2498696 2498697 2498698
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-09 18:02 UTC by OSIDB Bzimport
Modified: 2026-07-09 20:18 UTC (History)
20 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-07-09 18:02:33 UTC 
The incremental HTML parser (html.parser.HTMLParser) allows for CPU
denial-of-service through repeated unterminated markup declarations when
processing uncontrolled data.
Note You need to log in before you can comment on or make changes to this bug.