← Vulnerability feed

Vulnerability record · CVE-2017-8399 · published 1 May 2017

CVE-2017-8399: Pcre2 memory buffer overflow vulnerability

Pcre · Pcre2

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

9.8 CVSS 3.0 Critical EPSS 3.1% · top 12.7% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/98315 Third Party AdvisoryVDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=783 Third Party Advisory
https://security.gentoo.org/glsa/201710-09 Third Party Advisory
https://vcs.pcre.org/pcre2/code/tags/pcre2-10.30/ChangeLog?revision=854&view=markup
https://vcs.pcre.org/pcre2?view=revision&revision=674 PatchVendor Advisory
http://www.securityfocus.com/bid/98315 Third Party AdvisoryVDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=783 Third Party Advisory
https://security.gentoo.org/glsa/201710-09 Third Party Advisory
https://vcs.pcre.org/pcre2/code/tags/pcre2-10.30/ChangeLog?revision=854&view=markup
https://vcs.pcre.org/pcre2?view=revision&revision=674 PatchVendor Advisory

Track CVE-2017-8399 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-8786Pcre2 memory buffer overflow vulnerabilitypcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impac…EPSS 4.1%9.8CVE-2015-3210Pcre2 out-of-bounds write vulnerabilityHeap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expressi…EPSS 9.2%9.8CVE-2016-3191Pcre memory buffer overflow vulnerabilityThe compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*A…EPSS 8.4%9.1CVE-2022-1586Pcre2 out-of-bounds read vulnerabilityAn out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file…EPSS 3.4%9.1CVE-2022-1587Pcre2 out-of-bounds read vulnerabilityAn out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. Th…EPSS 2.8%7.8CVE-2026-89161Pcre2 vulnerabilityIn PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.EPSS 0.13%7.5CVE-2022-41409Pcre2 integer overflow vulnerabilityInteger overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative inpu…EPSS 1.1%7.5CVE-2019-20454Pcre2 out-of-bounds read vulnerabilityAn out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2017-8399), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.