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Out-of-bounds Read Affecting libonig package, versions *

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.59% (79th percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-UBUNTU1804-LIBONIG-535419
  • published 22 Nov 2019
  • disclosed 21 Nov 2019
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Introduced: 21 Nov 2019

CVE-2019-19203 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

There is no fixed version for Ubuntu:18.04 libonig.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libonig package and not the libonig package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.

References