7.5
CWE
787
Advisory Published
Advisory Published
Updated

CVE-2020-22218

First published: Tue Aug 22 2023(Updated: )

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Libssh2 Libssh2=1.10.0
redhat/libssh2<1.10.0
1.10.0
redhat/libssh2<1.11.0
1.11.0
IBM QRadar SIEM<=7.5 - 7.5.0 UP7
ubuntu/libssh2<1.8.0-1ubuntu0.1
1.8.0-1ubuntu0.1
ubuntu/libssh2<1.8.0-2.1ubuntu0.1
1.8.0-2.1ubuntu0.1
ubuntu/libssh2<1.4.3-2ubuntu0.2+
1.4.3-2ubuntu0.2+
ubuntu/libssh2<1.5.0-2ubuntu0.1+
1.5.0-2ubuntu0.1+
debian/libssh2<=1.8.0-2.1<=1.9.0-2
1.8.0-2.1+deb10u1
1.10.0-3
1.11.0-4
F5 BIG-IP>=17.1.0<=17.1.1
F5 BIG-IP>=16.1.0<=16.1.4
F5 BIG-IP>=15.1.0<=15.1.10
F5 BIG-IQ Centralized Management>=8.0.0<=8.3.0
F5 F5OS-A=1.5.0=1.4.0>=1.3.0<=1.3.2
1.7.01.5.2
F5 F5OS-C=1.6.0>=1.5.0<=1.5.1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-22218?

    CVE-2020-22218 is a vulnerability in libssh2 1.10.0 that allows attackers to access out-of-bounds memory.

  • How severe is CVE-2020-22218?

    CVE-2020-22218 has a severity rating of 7.5 (high).

  • What software versions are affected by CVE-2020-22218?

    CVE-2020-22218 affects libssh2 1.10.0, ubuntu/libssh2 1.4.3-2ubuntu0.2+, ubuntu/libssh2 1.5.0-2ubuntu0.1+, ubuntu/libssh2 1.8.0-1ubuntu0.1, ubuntu/libssh2 1.8.0-2.1ubuntu0.1, and debian/libssh2 1.8.0-2.1+deb10u1, 1.10.0-3, and 1.11.0-2.

  • How can I fix CVE-2020-22218?

    To fix CVE-2020-22218, update to a version of libssh2 that is not affected by the vulnerability.

  • Where can I find more information about CVE-2020-22218?

    You can find more information about CVE-2020-22218 at the following references: [GitHub](https://github.com/libssh2/libssh2/pull/476), [Debian LTS](https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html), [CVE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22218).

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