CWE
125
Advisory Published
CVE Published
Updated

CVE-2021-20266

First published: Thu Feb 11 2021(Updated: )

RPM Project RPM is vulnerable to a denial of service, caused by an out-of-bounds read flaw in the hdrblobInit function in lib/header.c. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/rpm<4.17.0
4.17.0
Rpm Rpm<4.16.1.3
Fedoraproject Fedora=33
Fedoraproject Fedora=34
IBM QRadar SIEM<=7.5.0 GA
IBM QRadar SIEM<=7.4.3 GA - 7.4.3 FP4
IBM QRadar SIEM<=7.3.3 GA - 7.3.3 FP10

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-20266?

    CVE-2021-20266 is a vulnerability in the RPM Project RPM software that allows a local authenticated attacker to cause a denial of service condition.

  • How can the CVE-2021-20266 vulnerability be exploited?

    The CVE-2021-20266 vulnerability can be exploited by sending a specially-crafted request to the hdrblobInit function in lib/header.c.

  • What is the severity of CVE-2021-20266?

    The severity of CVE-2021-20266 is low with a CVSS score of 3.1.

  • Which software is affected by CVE-2021-20266?

    IBM QRadar SIEM versions 7.5.0 GA, 7.4.3 GA - 7.4.3 FP4, and 7.3.3 GA - 7.3.3 FP10 are affected by CVE-2021-20266.

  • How can I fix the CVE-2021-20266 vulnerability?

    To fix the CVE-2021-20266 vulnerability, apply the necessary patches provided by IBM for your specific version of IBM QRadar SIEM.

Contact

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