CVE-2017-7186
UnknownEPSS 5.03%
Last modified
CVE-2017-7186 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.03% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre | 8.40 |
| Pcre | Pcre2 | 10.23 |
References
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/Patch, Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/Patch, Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-7186?
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.
How severe is CVE-2017-7186?
Severity scoring for CVE-2017-7186 is pending analysis. The EPSS model estimates a 5.03% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7186?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-7186?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST