high
7.5
CWE
476
Advisory Published
Updated

CVE-2022-1620: Null Pointer Dereference

First published: Sun May 08 2022(Updated: )

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.

Credit: security@huntr.dev security@huntr.dev

Affected SoftwareAffected VersionHow to fix
Vim Vim<8.2.4901
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Fedoraproject Fedora=36
Apple macOS<13.0
Apple macOS Ventura<13
13
ubuntu/vim<2:8.0.1453-1ubuntu1.9
2:8.0.1453-1ubuntu1.9
ubuntu/vim<2:8.1.2269-1ubuntu5.8
2:8.1.2269-1ubuntu5.8
ubuntu/vim<2:8.2.3995-1ubuntu2.1
2:8.2.3995-1ubuntu2.1
ubuntu/vim<2:7.4.052-1ubuntu3.1+
2:7.4.052-1ubuntu3.1+
ubuntu/vim<8.2.4901
8.2.4901
ubuntu/vim<2:7.4.1689-3ubuntu1.5+
2:7.4.1689-3ubuntu1.5+
debian/vim<=2:8.1.0875-5+deb10u2<=2:8.1.0875-5+deb10u6<=2:8.2.2434-3+deb11u1
2:9.0.1378-2
2:9.1.0377-1

Remedy

https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this issue in Vim?

    The vulnerability ID of this issue in Vim is CVE-2022-1620.

  • What is the severity level of CVE-2022-1620?

    The severity level of CVE-2022-1620 has not been specified.

  • How can an attacker exploit CVE-2022-1620?

    An attacker can exploit CVE-2022-1620 by causing a denial of service (application crash) through a crafted input.

  • Which versions of Vim are affected by CVE-2022-1620?

    Versions prior to 8.2.4901 of Vim are affected by CVE-2022-1620.

  • How can I fix CVE-2022-1620 in Vim?

    To fix CVE-2022-1620 in Vim, update to version 8.2.4901 or later.

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