CVE-2017-6004
7.5
HIGH
CVSS 3.1
EPSS 2.6%
Description
The compile_bracket_matchingpath function in pcre_jit_compile.c in PCRE through 8.x before revision 1680 (e.g., the PHP 7.1.1 bundled version) allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted regular expression.
How to fix CVE-2017-6004
To remediate CVE-2017-6004, upgrade the affected package to a fixed version below.
- Debian/pcre3—upgrade to 2:8.39-2.1 or later
Is CVE-2017-6004 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2:8.39-2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |