high
7.5
CWE
125
Advisory Published
Updated

CVE-2019-20838

First published: Mon Jun 15 2020(Updated: )

PCRE. Multiple issues were addressed by updating to version 8.44.

Credit: cve@mitre.org CVE-2019-20838 CVE-2020-14155 CVE-2019-20838 CVE-2020-14155 cve@mitre.org

Affected SoftwareAffected VersionHow to fix
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
Pcre Pcre<8.43
Apple macOS<11.0.1
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple macOS Big Sur<11.0.1
11.0.1
redhat/pcre<8.43
8.43
Splunk Universal Forwarder>=8.2.0<8.2.12
Splunk Universal Forwarder>=9.0.0<9.0.6
Splunk Universal Forwarder=9.1.0

Remedy

https://bugs.gentoo.org/717920

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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 CVE-2019-20838?

    CVE-2019-20838 is a vulnerability in PCRE that can be exploited by a remote attacker to cause a denial of service by crashing the application.

  • What is the severity of CVE-2019-20838?

    The severity of CVE-2019-20838 is high with a CVSS score of 7.5.

  • Which software versions are affected by CVE-2019-20838?

    PCRE version 8.43 and earlier, Apple macOS Big Sur up to 11.2, Apple Catalina, Apple Mojave, IBM QRadar SIEM up to 7.5.0 GA, and IBM QRadar Vulnerability Manager up to 7.3.3 GA are affected by CVE-2019-20838.

  • How can I fix CVE-2019-20838?

    Update to PCRE version 8.44, macOS Big Sur 11.0.1 or later, IBM QRadar SIEM 7.5.0 GA or later, or IBM QRadar Vulnerability Manager 7.3.3 GA or later to fix CVE-2019-20838.

  • Where can I find more information about CVE-2019-20838?

    You can find more information about CVE-2019-20838 on the following references: [Apple Support](https://support.apple.com/en-us/HT212147), [Red Hat Security](https://access.redhat.com/security/cve/CVE-2019-20454), and [Gentoo Bugs](https://bugs.gentoo.org/717920).

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