Critical severity · published May 5, 2017
CVE-2017-8786
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…
9.8
CVSS
4.1%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pcre2 · Pcre
10.23 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8786
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8786
Exploit
https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
Exploit
https://bugs.exim.org/show_bug.cgi?id=2079
security.gentoo.org
https://security.gentoo.org/glsa/201710-09
Patch
https://vcs.pcre.org/pcre2?view=revision&revision=696
Patch
https://vcs.pcre.org/pcre2?view=revision&revision=697
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