Buffer overflow in Pcre Pcre2
CVE-2017-8786
pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (72.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Pcre Pcre2 — versions 10.23
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Patch, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-8786?
- CVE-2017-8786 is a critical-severity vulnerability in Pcre Pcre2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-05-05.
- How severe is CVE-2017-8786?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-8786 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.