What’s Vulnerable › Vulnerabilities

CVE-2019-12735

• Severity: high (CVSS 8.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-06-05 · updated 2026-06-17
• Weakness: CWE-78

Description

getchar.c in Vim before 8.1.1365 and Neovim before 0.3.6 allows remote attackers to execute arbitrary OS commands via the :source! command in a modeline, as demonstrated by execute in Vim, and assert_fails or nvim_input in Neovim.

Affected products

• Neovim: before 0.3.6 — fixed in 0.3.6
• vim/vim: before 8.1.1365 — fixed in 8.1.1365

How to fix

Upgrade to a fixed version: Neovim 0.3.6; vim/vim 8.1.1365. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00036.html
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00034.html
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00075.html
• http://www.securityfocus.com/bid/108724
• https://access.redhat.com/errata/RHSA-2019:1619
• https://access.redhat.com/errata/RHSA-2019:1774
• https://access.redhat.com/errata/RHSA-2019:1793
• https://access.redhat.com/errata/RHSA-2019:1947
• https://bugs.debian.org/930020

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