CVE catalog

CVE-2017-7186

pcre2: CVE-2017-7186

Severity: High · CVSS 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Feb 23, 2017, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 5.03% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	pcre2	sid	`10.48-3.1`	fixed
Debian	pcre2	forky	`10.48-3.1`	fixed
Debian	pcre2	trixie	`10.46-1~deb13u2`	fixed
Debian	pcre2	trixie-security	`10.46-1~deb13u3`	fixed
Debian	pcre2	bookworm	`10.42-1`	fixed
Debian	pcre2	bookworm-security	`10.42-1+deb12u2`	fixed
Debian	pcre3	bookworm	`2:8.39-15`	fixed
Alpine	pcre	3.10	`8.40-r2`	fixed
Alpine	pcre	3.11	`8.40-r2`	fixed
Alpine	pcre	3.12	`8.40-r2`	fixed
Alpine	pcre	3.13	`8.40-r2`	fixed
Alpine	pcre	3.14	`8.40-r2`	fixed
Alpine	pcre	3.15	`8.40-r2`	fixed
Alpine	pcre	3.16	`8.40-r2`	fixed
Alpine	pcre	3.17	`8.40-r2`	fixed
Alpine	pcre	3.18	`8.40-r2`	fixed
Alpine	pcre	3.19	`8.40-r2`	fixed
Alpine	pcre	3.20	`8.40-r2`	fixed
Alpine	pcre	3.21	`8.40-r2`	fixed
Alpine	pcre	3.22	`8.40-r2`	fixed
Alpine	pcre	3.23	`8.40-r2`	fixed
Alpine	pcre	3.24	`8.40-r2`	fixed
Alpine	pcre	3.6	`8.40-r2`	fixed
Alpine	pcre	3.7	`8.40-r2`	fixed
Alpine	pcre	3.8	`8.40-r2`	fixed
Alpine	pcre	3.9	`8.40-r2`	fixed
Ubuntu	pcre3	pro	`2:8.35-7.1ubuntu1`	vulnerable
Ubuntu	pcre3	pro	`2:8.38-1ubuntu1`	vulnerable
Ubuntu	pcre3	pro	`2:8.38-3`	vulnerable
Ubuntu	pcre3	pro	`2:8.38-3.1`	vulnerable
Ubuntu	pcre3	pro	`2:8.38-3.1ubuntu0.1~esm1`	vulnerable
Ubuntu	pcre3	pro	`2:8.38-3.1ubuntu0.1~esm2`	fixed
Ubuntu	pcre2	16.04	`10.20-1`	vulnerable
Ubuntu	pcre2	16.04	`10.20-2`	vulnerable
Ubuntu	pcre2	16.04	`10.20-3`	vulnerable
Ubuntu	pcre2	16.04	`10.21-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	pcre2	source	sid	`10.22-3`	not yet assigned	Not reported	[858233]
Debian	pcre2	source	forky	`10.22-3`	not yet assigned	Not reported	[858233]
Debian	pcre2	source	trixie	`10.22-3`	not yet assigned	Not reported	[858233]
Debian	pcre2	source	bookworm	`10.22-3`	not yet assigned	Not reported	[858233]
Debian	pcre3	source	bookworm	`2:8.39-3`	not yet assigned	Not reported	[858230]
Alpine	pcre	apk	3.10	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.11	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.12	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.13	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.14	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.15	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.16	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.17	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.18	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.19	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.20	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.21	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.22	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.23	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.24	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.6	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.7	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.8	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Alpine	pcre	apk	3.9	`8.40-r2`	Not reported	ALPINE-CVE-2017-7186	Not reported
Ubuntu	pcre3	deb	pro	`2:8.38-3.1ubuntu0.1~esm2`	Not reported	UBUNTU-CVE-2017-7186	Not reported

[Debian bug #858233][Debian bug #858230]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libpcre16-3]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[libpcre2-16-0]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[libpcre2-32-0]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[libpcre2-8-0]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[libpcre2-dev]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[libpcre2-posix3]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[libpcre3]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[libpcre32-3]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[libpcre3-dbg]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[libpcre3-dev]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[libpcrecpp0v5]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
[pcre2-utils]Unknown
Source package: [pcre2]
Details (2)
- 10.42-1 · amd64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
- 10.42-1 · arm64 · bookworm
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · bookworm; dsa · pcre2 · debian · 12
[pcregrep]Unknown
Source package: [pcre3]
Details (2)
- 2:8.39-15 · amd64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- 2:8.39-15 · arm64 · bookworm
  Fixed · Fixed: 2:8.39-3
  dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12

[Debian 13 (Trixie)]

[libpcre2-16-0]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
[libpcre2-32-0]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
[libpcre2-8-0]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
[libpcre2-dev]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
[libpcre2-posix3]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
[pcre2-utils]Unknown
Source package: [pcre2]
Details (3)
- 10.46-1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13
- 10.46-1~deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 10.22-3
  dsa · pcre2 · debian · 13

Observed: Oct 23, 2026, 5:30:26 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]