Out-of-Bounds Affecting pcre package, versions <8.40-r2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE320-PCRE-7010850
- published23 May 2024
- disclosed20 Mar 2017
Introduced: 20 Mar 2017
CVE-2017-7186 (opens in a new tab)How to fix?
Upgrade Alpine:3.20 pcre to version 8.40-r2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pcre package and not the pcre package as distributed by Alpine.
See How to fix? for Alpine:3.20 relevant fixed versions and status.
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
References
- https://bugs.exim.org/show_bug.cgi?id=2052
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date
- https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date
- https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186
- https://security-tracker.debian.org/tracker/CVE-2017-7186
- https://security.gentoo.org/glsa/201710-09
- https://security.gentoo.org/glsa/201710-25
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
- https://access.redhat.com/errata/RHSA-2018:2486
- http://www.securityfocus.com/bid/97030
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7186