CVE-2017-11164

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

3.08%Up 2.2 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

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.

Record: CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-674
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2017-11164
Updated: 2026-11-02

EUVDEUVD-2017-2799 No score

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.

Record: EUVD-2017-2799
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5457-7wx3-gf7j 7.5

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion...

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.

Record: GHSA-5457-7wx3-gf7j
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-674
Updated: 2026-11-02

OSVALPINE-CVE-2017-11164 7.5

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.

Record: ALPINE-CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVBELL-CVE-2017-11164 7.5

CVE-2017-11164 does not affect BellSoft software

Record: BELL-CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 7.5

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.

Record: CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-11164 7.5

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.

Record: DEBIAN-CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-11164 7.5

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.

Record: UBUNTU-CVE-2017-11164
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

pcre

Affected packages

Affected packages
Package	Affected	Fixed
`pcre` Alpine:v3.10	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.11	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.12	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.13	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.14	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.15	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.16	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.17	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.18	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.19	before 7.8-r0	7.8-r0

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Affected packages
Package	Affected	Fixed
`pcre` Alpine:v3.20	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.21	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.22	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.23	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.24	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.6	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.7	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.8	before 7.8-r0	7.8-r0
`pcre` Alpine:v3.9	before 7.8-r0	7.8-r0
`pcre3` Debian:12	All versions, plus listed versions 2:8.39-152:8.39-15.1	None known
`pcre3` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 1:8.31-21:8.31-2ubuntu21:8.31-2ubuntu2.11:8.31-2ubuntu2.21:8.31-2ubuntu2.31:8.31-2ubuntu2.3+esm1	None known
`pcre3` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2:8.35-7.1ubuntu12:8.38-1ubuntu12:8.38-32:8.38-3.12:8.38-3.1ubuntu0.1~esm12:8.38-3.1ubuntu0.1~esm2	None known
`pcre3` Ubuntu:18.04:LTS	All versions, plus listed versions 2:8.39-5ubuntu32:8.39-82:8.39-92:8.39-9ubuntu0.1	None known
`pcre3` Ubuntu:20.04:LTS	All versions, plus listed versions 2:8.39-122:8.39-12build12:8.39-12ubuntu0.1	None known
`pcre3` Ubuntu:22.04:LTS	All versions, plus listed versions 2:8.39-13build32:8.39-13build42:8.39-13build52:8.39-13ubuntu0.22.04.1	None known
`pcre3` Ubuntu:24.04:LTS	All versions, plus listed versions 2:8.39-152:8.39-15build1	None known
`pcre3` Ubuntu:25.10	All versions, plus listed versions 2:8.39-15.1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-11164 is a high vulnerability (CVSS 7.5) in Pcre, published July 11, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.08%, the 87th percentile. Fixed in pcre 7.8-r0.

References

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