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Fencer Vulns
high 7.5

CVE-2017-11164 json

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing…

published 2017-07-11 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2799

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.

Patch / fix

  • pcre Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 7.8-r0

alpine advisories ALPINE-CVE-2017-11164

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pcre Arch Linux 8.43-1

arch linux advisories AVG-351

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-11164 updated cvss 3.3

pcre: OP_KETRMAX feature in the match function in pcre_exec.c

  • Red Hat Enterprise Linux 5 pcre Red Hat Enterprise Linux 6 pcre, glib2 Red Hat Enterprise Linux 7 pcre, glib2, glib2-fam, pcre-tools, glib2-tests, virtuoso-opensource, +1 more Red Hat JBoss Core Services jbcs-httpd24-httpd Red Hat JBoss Enterprise Web Server 1 httpd Red Hat JBoss Enterprise Web Server 2 jbcs-httpd24, jbcs-httpd24-runtime
    +3 more products
    Red Hat JBoss Enterprise Web Server 3 httpd Red Hat JBoss Web Server 3 pcre Red Hat Software Collections rh-php56-php, rh-php70-php, rh-php56-php-gd, rh-php70-php-gd, rh-php56-php-cli, rh-php56-php-dba, +69 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 pcre2, pcre2-tools, pcre2-utf16, pcre2-utf32
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.08% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.