CVE-2025-26603 — Use After Free in VIM

CWE-416 — Use After Free7 documents6 sources
Severity
4.2MEDIUMNVD
OSV2.4
EPSS
0.0%
top 91.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
VIMDebian VIMMsrc Azl3 VIM 9.1.0791-4 ON Azure Linux 3.0+1 more
Timeline
PublishedFeb 18
Latest updateApr 7

Description

Vim is a greatly improved version of the good old UNIX editor Vi. Vim allows to redirect screen messages using the `:redir` ex command to register, variables and files. It also allows to show the contents of registers using the `:registers` or `:display` ex command. When redirecting the output of `:display` to a register, Vim will free the register content before storing the new content in the register. Now when redirecting the `:display` command to a register that is being displayed, Vim will f…

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:LExploitability: 0.8 | Impact: 3.4

Affected Packages6 packages

▶NVDvim/vim< 9.1.1115
▶debiandebian/vim< vim 2:9.1.1230-1 (forky)
▶Debianvim/vim< 2:9.1.1230-1+1
▶Ubuntuvim/vim< 2:8.1.2269-1ubuntu5.32+5

Patches

Patch: github.com ↗

🔴Vulnerability Details

2
OSV
vim vulnerabilities↗2025-04-07
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OSV
CVE-2025-26603: Vim is a greatly improved version of the good old UNIX editor Vi↗2025-02-18
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📋Vendor Advisories

4
Ubuntu
Vim vulnerabilities↗2025-04-07
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Red Hat
vim: heap-use-after-free in function str_to_reg in vim/vim↗2025-02-18
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Microsoft
heap-use-after-free in function str_to_reg in vim/vim↗2025-02-11
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Debian
CVE-2025-26603: vim - Vim is a greatly improved version of the good old UNIX editor Vi. Vim allows to ...↗2025
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CVE-2025-26603 — Use After Free in VIM | cvebase