CVE-2017-16231
Last modified
CVE-2017-16231 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre | 8.41 |
References
- http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Dec/33Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/11Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/3Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/8Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/101688Third Party Advisory, VDB Entry
- https://bugs.exim.org/show_bug.cgi?id=2047Issue Tracking, Third Party Advisory
- http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Dec/33Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/11Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/3Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/11/01/8Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/101688Third Party Advisory, VDB Entry
- https://bugs.exim.org/show_bug.cgi?id=2047Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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