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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.44% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- pcre/perl compatible regular expression library · fedoraproject/fedora
- Source
- cve@mitre.org
EPSS 4.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.htmlThird Party Advisory
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markupExploit
- http://www.openwall.com/lists/oss-security/2015/11/29/1Exploit
- http://www.securityfocus.com/bid/77695Third Party Advisory, VDB Entry
- https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.htmlThird Party Advisory
- https://bto.bluecoat.com/security-advisory/sa128Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1637Exploit
- https://security.gentoo.org/glsa/201607-02
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173700.htmlThird Party Advisory
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markupExploit
- http://www.openwall.com/lists/oss-security/2015/11/29/1Exploit
- http://www.securityfocus.com/bid/77695Third Party Advisory, VDB Entry
- https://blog.fuzzing-project.org/29-Heap-Overflow-in-PCRE.htmlThird Party Advisory
- https://bto.bluecoat.com/security-advisory/sa128Third Party Advisory
- https://bugs.exim.org/show_bug.cgi?id=1637Exploit
- https://security.gentoo.org/glsa/201607-02
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.