Buffer overflow in Pcre Perl Compatible Regular Expression Library
CVE-2015-8380
The pcre_exec function in pcre_exec.c in PCRE before 8.38 mishandles a // pattern with a \01 string, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.044 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2015/11/29/1 (mailing-list, Exploit)
- bugs.exim.org/show_bug.cgi (Exploit)
- blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.html (Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/77695 (VDB Entry, Third Party Advisory, vdb-entry)
- bto.bluecoat.com/security-advisory/sa128 (Third Party Advisory)
- vcs.pcre.org/pcre/code/trunk/ChangeLog (Exploit)
- security.gentoo.org/glsa/201607-02 (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8380?
- CVE-2015-8380 is a vulnerability in Pcre Perl Compatible Regular Expression Library, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-12-02.
- Is CVE-2015-8380 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.