Vulnerability Description
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.
CVSS Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre2 | 10.23 |
Related Weaknesses (CWE)
References
- https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-writeExploitPatchThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2079ExploitIssue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201710-09
- https://vcs.pcre.org/pcre2?view=revision&revision=696PatchVendor Advisory
- https://vcs.pcre.org/pcre2?view=revision&revision=697PatchVendor Advisory
- https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-writeExploitPatchThird Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=2079ExploitIssue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201710-09
- https://vcs.pcre.org/pcre2?view=revision&revision=696PatchVendor Advisory
- https://vcs.pcre.org/pcre2?view=revision&revision=697PatchVendor Advisory
FAQ
What is CVE-2017-8786?
CVE-2017-8786 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2017-8786?
CVE-2017-8786 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-8786?
Check the references section above for vendor advisories and patch information. Affected products include: Pcre Pcre2.