DEBIAN-CVE-2026-2297

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-2297
Published: 04 Mar 2026, 23:16
Last modified:11 Jul 2026, 21:00

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.7 MEDIUM
4.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Mar 2026, 23:16
Published
Vulnerability first disclosed
11 Jul 2026, 21:00
Last Modified
Vulnerability information updated

Description

The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and so does not use io.open_code() to read the .pyc files. sys.audit handlers for this audit event therefore do not fire.

CVSS Metrics

  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Systems

  • debian•pypy3

    all | all | all | all | < 7.3.22+dfsg-1

  • debian•python2.7

    all

  • debian•python3.11

    all | < 3.11.2-6+deb12u8

  • debian•python3.13

    all | all | < 3.13.5-2+deb13u1 | < 3.13.14-1

  • debian•python3.14

    all | < 3.14.3-4

  • debian•python3.9

    all | < 3.9.2-1+deb11u7

References (1)