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Vulnerabilities / CVE-2017-8786

critical

CVE-2017-8786

pcre2: Heap-based buffer overflow in pcre2test.c

Published Modified CWE 119
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (low).

Description

pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.

Affected packages and fixed versions

SourcePackageFixed in
debian 11pcre210.31-1
debian 12pcre210.31-1
debian 13pcre210.31-1
debian 14pcre210.31-1
echopcre210.31-1
Red Hatpcre2, pcre2-devel, pcre2-static and 3 moreno fix listed
Show all 11 entries from 6 sources
SourcePackageFixed in
debian 11pcre210.31-1
debian 12pcre210.31-1
debian 13pcre210.31-1
debian 14pcre210.31-1
echopcre210.31-1
Red Hatpcre2no fix listed
Red Hatpcre2-develno fix listed
Red Hatpcre2-staticno fix listed
Red Hatpcre2-toolsno fix listed
Red Hatpcre2-utf16no fix listed
Red Hatpcre2-utf32no fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.