Out-of-bounds Read in Pcre
CVE-2017-7244
The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.
Vulnerability class: Buffer Overflow
EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Pcre — versions 8.40
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2017-7244?
- CVE-2017-7244 is a medium-severity vulnerability in Pcre, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-03-23.
- How severe is CVE-2017-7244?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-7244 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.