Code Injection in Vim - CVE-2026-73073

Vulnerability identifier: #VU139390

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-73073

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to improper input validation within the C omni-completion script in runtime/autoload/ccomplete.vim. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

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

Vim
Debian Linux
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Ubuntu
openEuler
vim-gnome (Ubuntu package)
vim-common (Ubuntu package)
vim-nox (Ubuntu package)
vim-gui-common (Ubuntu package)
vim-runtime (Ubuntu package)
vim-athena (Ubuntu package)
vim-tiny (Ubuntu package)
vim (Ubuntu package)
vim-gtk (Ubuntu package)
vim-lesstif (Ubuntu package)
vim-athena-py2 (Ubuntu package)
vim-gtk-py2 (Ubuntu package)
vim-nox-py2 (Ubuntu package)
vim-gnome-py2 (Ubuntu package)
vim-gtk3 (Ubuntu package)
vim-gtk3-py2 (Ubuntu package)
xxd (Ubuntu package)
vim-motif (Ubuntu package)
vim-doc (Ubuntu package)
vim (Red Hat package)
vim-filesystem
vim-minimal
vim-enhanced
vim-common
vim-X11
vim-doc
vim-data
vim-debugsource
vim-debuginfo
vim
vim (Debian package)

Install updates from vendor's website.

Vim - update to 9.2.0845
vim-gnome (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24
vim-common (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-nox (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-gui-common (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-runtime (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-athena (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20
vim-tiny (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-gtk (Ubuntu package) - addressed in versions 2:7.4.052-1ubuntu3.1+esm33, 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36
vim-lesstif (Ubuntu package) - update to 2:7.4.052-1ubuntu3.1+esm33
vim-athena-py2 (Ubuntu package) - update to 2:7.4.1689-3ubuntu1.5+esm39
vim-gtk-py2 (Ubuntu package) - update to 2:7.4.1689-3ubuntu1.5+esm39
vim-nox-py2 (Ubuntu package) - update to 2:7.4.1689-3ubuntu1.5+esm39
vim-gnome-py2 (Ubuntu package) - update to 2:7.4.1689-3ubuntu1.5+esm39
vim-gtk3 (Ubuntu package) - addressed in versions 2:7.4.1689-3ubuntu1.5+esm39, 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-gtk3-py2 (Ubuntu package) - update to 2:7.4.1689-3ubuntu1.5+esm39
xxd (Ubuntu package) - addressed in versions 2:8.0.1453-1ubuntu1.13+esm24, 2:8.1.2269-1ubuntu5.32+esm13, 2:8.2.3995-1ubuntu2.36, 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-motif (Ubuntu package) - addressed in versions 2:9.1.0016-1ubuntu7.20, 2:9.1.2141-1ubuntu4.9
vim-doc (Ubuntu package) - update to 2:9.1.2141-1ubuntu4.9
vim (Red Hat package) - addressed in versions 8.0.1763-32.el8_10, 9.1.083-9.el10_2.22
vim-filesystem - addressed in versions 8.0.1763-32.0.1, 9.0.2092-36
vim-minimal - addressed in versions 8.0.1763-32.0.1, 9.0.2092-36
vim-enhanced - addressed in versions 8.0.1763-32.0.1, 9.0.2092-36
vim-common - addressed in versions 8.0.1763-32.0.1, 9.0.2092-36
vim-X11 - addressed in versions 8.0.1763-32.0.1, 9.0.2092-36
vim-doc - update to 9.0.2092-36
vim-data - update to 9.0.2092-36
vim-filesystem - update to 9.0.2092-45
vim-minimal - update to 9.0.2092-45
vim-enhanced - update to 9.0.2092-45
vim-debugsource - update to 9.0.2092-45
vim-debuginfo - update to 9.0.2092-45
vim-common - update to 9.0.2092-45
vim-X11 - update to 9.0.2092-45
vim - update to 9.0.2092-45
vim (Debian package) - update to 2:9.1.1230-2+deb13u1

• https://github.com/vim/vim/security/advisories/GHSA-cx73-phcg-3j5g

• Remote code execution in Vim
• Ubuntu update for vim
• openEuler 24.03 LTS SP4 update for vim
• Ubuntu update for vim
• Red Hat Enterprise Linux 10 update for vim
• Red Hat Enterprise Linux 8 update for vim
• Anolis OS update for vim
• Anolis OS update for vim
• Debian update for vim