CVE-2025-11468

Publication date 20 January 2026

Last updated 5 February 2026

Ubuntu priority

Medium

Why this priority?

Description

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.

Status

Package Ubuntu Release Status
python2.7 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
python3.4 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
14.04 LTS trusty
Not affected
python3.5 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
python3.6 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
18.04 LTS bionic
Fixed 3.6.9-1~18.04ubuntu1.13+esm8
python3.7 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
18.04 LTS bionic
Fixed 3.7.5-2ubuntu1~18.04.2+esm9
python3.8 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 3.8.10-0ubuntu1~20.04.18+esm5
18.04 LTS bionic
Fixed 3.8.0-3ubuntu1~18.04.2+esm9
python3.9 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 3.9.5-3ubuntu0~20.04.1+esm9
python3.10 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 3.10.12-1~22.04.14
python3.11 25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 3.11.0~rc1-1~22.04.1~esm8
python3.12 25.10 questing Not in release
24.04 LTS noble
Fixed 3.12.3-1ubuntu0.11
22.04 LTS jammy Not in release
python3.13 25.10 questing
Fixed 3.13.7-1ubuntu0.3
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
python3.14 25.10 questing
Fixed 3.14.0-1ubuntu0.2
24.04 LTS noble Not in release
22.04 LTS jammy Not in release

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References

Related Ubuntu Security Notices (USN)

    • USN-8018-1
    • Python vulnerabilities
    • 5 February 2026

Other references