CVE-2017-7186
pcre: Invalid Unicode property lookup (8.41/7, 10.24/2)
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Libpcre1 en PCRE 8.40 y libpcre2 en PCRE2 10.23 permiten a atacantes remotos provocar una denegación de servicio (infracción de segmentación para acceso de lectura y caída de aplicación) al activar una búsqueda de propiedad Unicode no válida.
It was discovered that PCRE incorrectly handled certain regular expressions. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service. It was discovered that PCRE incorrectly handled certain Unicode encoding. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2017-03-19 CVE Reserved
- 2017-03-20 CVE Published
- 2024-08-05 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/97030 | Vdb Entry | |
| https://bugs.exim.org/show_bug.cgi?id=2052 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2018:2486 | 2018-08-17 | |
| https://security.gentoo.org/glsa/201710-09 | 2018-08-17 | |
| https://security.gentoo.org/glsa/201710-25 | 2018-08-17 | |
| https://access.redhat.com/security/cve/CVE-2017-7186 | 2018-08-16 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1434504 | 2018-08-16 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pcre Search vendor "Pcre" | Pcre Search vendor "Pcre" for product "Pcre" | 8.40 Search vendor "Pcre" for product "Pcre" and version "8.40" | - |
Affected
| ||||||
| Pcre Search vendor "Pcre" | Pcre2 Search vendor "Pcre" for product "Pcre2" | 10.23 Search vendor "Pcre" for product "Pcre2" and version "10.23" | - |
Affected
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