Double free in Vim - CVE-2025-55158

 

Double free in Vim - CVE-2025-55158

Published: August 11, 2025 / Updated: September 25, 2025


Vulnerability identifier: #VU113786
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-55158
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the clear_tv() function when processing handle_import / ex_import code paths. A remote attacker can trick the victim into opening a specially crafted file, trigger a double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Vim
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Desktop Applications Module
Basesystem Module
openSUSE Leap
vim-data
vim-data-common
gvim-debuginfo
gvim
vim
vim-debugsource
vim-debuginfo
vim-small-debuginfo
vim-small

How to mitigate CVE-2025-55158

Install updates from vendor's website.

Vim - update to 9.1.1406
vim-data - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150500.20.33.1
vim-data-common - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150000.5.78.1, 9.1.1629-150500.20.33.1
gvim-debuginfo - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150500.20.33.1
gvim - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150500.20.33.1
vim - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150500.20.33.1
vim-debugsource - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150000.5.78.1, 9.1.1629-150500.20.33.1
vim-debuginfo - addressed in versions 9.1.1629-17.51.1, 9.1.1629-150000.5.78.1, 9.1.1629-150500.20.33.1
vim-small-debuginfo - addressed in versions 9.1.1629-150000.5.78.1, 9.1.1629-150500.20.33.1
vim-small - addressed in versions 9.1.1629-150000.5.78.1, 9.1.1629-150500.20.33.1

External References

Related Security Bulletins