DEBIAN-CVE-2025-6069

Advisory lineage Upstream: 1 Downstream: 2
Upstream
Published: 17 Jun 2025, 14:15
Last modified:16 May 2026, 14:03

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Jun 2025, 14:15
Published
Vulnerability first disclosed
16 May 2026, 14:03
Last Modified
Vulnerability information updated

Description

The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.

CVSS Metrics

  • v3.1MEDIUMScore: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Systems

  • debianjython

    all | all | all | all

  • debianpypy3

    all | < 7.3.5+dfsg-2+deb11u5 | all | all | < 7.3.21+dfsg-1

  • debianpython2.7

    all

  • debianpython3.11

    all | < 3.11.2-6+deb12u7

  • debianpython3.13

    all | < 3.13.5-2+deb13u1 | < 3.13.6-1

  • debianpython3.9

    < 3.9.2-1+deb11u4

References (1)