Source: vim
Version: 2:9.2.0524-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for vim.

CVE-2026-52860[0]:
| Vim is an open source, command line text editor. Prior to version
| 9.2.0597, Vim's Python omni-completion executes reconstructed
| function and class definitions from the current buffer with exec()
| as part of populating the completion dictionary. Python evaluates
| function default values, parameter annotations, and class base
| expressions at definition time, so a hostile buffer can execute
| attacker-controlled Python expressions during omni-completion. The
| existing g:pythoncomplete_allow_import mitigation (GHSA-52mc-
| rq6p-rc7c) does not cover this path, because the attacker-controlled
| code is not a harvested import/from statement. This issue has been
| patched in version 9.2.0597.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-52860
    https://www.cve.org/CVERecord?id=CVE-2026-52860
[1] https://github.com/vim/vim/security/advisories/GHSA-65p9-mwwx-7468
[2] https://github.com/vim/vim/commit/c8c63673bc4253212820626aeeb75999d9a539d2

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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