What’s Vulnerable › Vulnerabilities

CVE-2022-1674: NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 in vim/vim

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-12 · updated 2026-10-08
• Weakness: CWE-476

Description

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 in GitHub repository vim/vim prior to 8.2.4938. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 allows attackers to cause a denial of service (application crash) via a crafted input.

Affected products

• Apple macOS: before 13.0 — fixed in 13.0
• Fedoraproject Fedora: 34, 35, 36
• vim/vim: before 8.2.4938 — fixed in 8.2.4938

How to fix

Upgrade to a fixed version: Apple macOS 13.0; vim/vim 8.2.4938. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/Oct/28
• http://seclists.org/fulldisclosure/2022/Oct/41
• https://github.com/vim/vim/commit/a59f2dfd0cf9ee1a584d3de5b7c2d47648e79060
• https://huntr.dev/bounties/a74ba4a4-7a39-4a22-bde3-d2f8ee07b385
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFAZTAT5CZC2R6KYDYA2HBAVEDSIX6MW/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUPOLEX5GXC733HL4EFYMHFU7NISJJZG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODXVYZC5Z4XRRZK7CK6B6IURYVYHA25U/
• https://security.gentoo.org/glsa/202208-32
• https://security.gentoo.org/glsa/202305-16
• https://support.apple.com/kb/HT213488
• http://seclists.org/fulldisclosure/2022/Oct/28
• http://seclists.org/fulldisclosure/2022/Oct/41

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