Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre | 8.40 |
| Pcre | Pcre2 | 10.23 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/97030
- https://access.redhat.com/errata/RHSA-2018:2486
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcrPatchThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
- https://security.gentoo.org/glsa/201710-09
- https://security.gentoo.org/glsa/201710-25
- https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=datePatch
- https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=datePatch
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=Patch
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=datePatch
- http://www.securityfocus.com/bid/97030
- https://access.redhat.com/errata/RHSA-2018:2486
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcrPatchThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2052Third Party Advisory
- https://security.gentoo.org/glsa/201710-09
FAQ
What is CVE-2017-7186?
CVE-2017-7186 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 p...
How severe is CVE-2017-7186?
CVE-2017-7186 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7186?
Check the references section above for vendor advisories and patch information. Affected products include: Pcre Pcre, Pcre Pcre2.