critical
9.8
CWE
415
Advisory Published
Updated

CVE-2018-18751: Double Free

First published: Sun Oct 28 2018(Updated: )

An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
IBM Data Risk Manager<=2.0.6
ubuntu/gettext<0.19.8.1-6ubuntu0.1
0.19.8.1-6ubuntu0.1
ubuntu/gettext<0.19.8.1-8ubuntu0.1
0.19.8.1-8ubuntu0.1
ubuntu/gettext<0.18.3.1-1ubuntu3.1
0.18.3.1-1ubuntu3.1
ubuntu/gettext<0.19.7-2ubuntu3.1
0.19.7-2ubuntu3.1
debian/gettext
0.21-4
0.21-12
0.22.5-2
gettext=0.19.8
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=18.10
Red Hat Enterprise Linux=7.0
GNU gettext=0.19.8

Remedy

https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commitdiff;h=dce3a16e5e9368245735e29bf498dcd5e3e474a4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2018-18751?

    CVE-2018-18751 is classified as a moderate severity vulnerability due to its potential to cause a denial of service through a double free.

  • How do I fix CVE-2018-18751?

    To fix CVE-2018-18751, update to the patched versions of the gettext package or any affected software distributions that address this vulnerability.

  • Which versions of gettext are affected by CVE-2018-18751?

    CVE-2018-18751 affects gettext version 0.19.8 and earlier versions.

  • What are the potential impacts of CVE-2018-18751?

    The potential impacts of CVE-2018-18751 include application crashes and denial of service due to memory corruption.

  • Is CVE-2018-18751 present in IBM Data Risk Manager software?

    Yes, CVE-2018-18751 is present in IBM Data Risk Manager versions up to 2.0.6, which require an update for remediation.

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