Heap-based buffer overflow in Vim - CVE-2026-73072

Vulnerability identifier: #VU139391

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-73072

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trick a victim to open a specially crafted spell file, trigger a heap-based buffer overflow and cause a denial of service on the target system.

Vim
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Desktop Applications Module
Basesystem Module
openSUSE Leap
openEuler
vim (Red Hat package)
vim-filesystem
vim-minimal
vim-enhanced
vim-debugsource
vim-debuginfo
vim-common
vim-X11
vim
vim-data
vim-data-common
gvim
gvim-debuginfo
vim-small
vim-small-debuginfo

Install updates from vendor's website.

Vim - update to 9.2.0846
vim (Red Hat package) - addressed in versions 8.0.1763-31.el8_10.7, 8.2.2637-26.el9_8.21, 9.1.083-9.el10_2.20
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-data - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim-data-common - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim-debugsource - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim-debuginfo - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
gvim - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
gvim-debuginfo - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim - addressed in versions 9.2.0957-17.76.1, 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim-small - addressed in versions 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1
vim-small-debuginfo - addressed in versions 9.2.0957-150000.5.102.1, 9.2.0957-150500.20.64.1

• https://github.com/vim/vim/security/advisories/GHSA-9jqx-hgpr-6v64

• Denial of service in Vim
• SUSE update for vim
• SUSE update for vim
• SUSE update for vim
• Red Hat Enterprise Linux 10 update for vim
• Red Hat Enterprise Linux 8 update for vim
• Red Hat Enterprise Linux 9 update for vim
• openEuler 24.03 LTS SP4 update for vim