Vulnerability CVE-2017-8786
Published: 2017-05-04   Modified: 2017-05-05

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
libpcre heap-based buffer overflow write in pcre2test.c
Agostino Sarubbo
08.05.2017

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
PCRE -> Pcre2 

 References:
https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
https://bugs.exim.org/show_bug.cgi?id=2079
https://vcs.pcre.org/pcre2?view=revision&revision=696
https://vcs.pcre.org/pcre2?view=revision&revision=697
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