High severity · published Sep 9, 2019
CVE-2019-16163
Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
FE
Fedora · Fedoraproject
29; 30 · source: NVD
ON
Oniguruma · Oniguruma Project
before 6.9.3 · source: NVD
UL
Ubuntu Linux · Canonical
14.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16163
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16163
Patch
https://github.com/kkos/oniguruma/commit/4097828d7cc87589864fecf452f2cd46c5f37180
Patch
https://github.com/kkos/oniguruma/compare/v6.9.2...v6.9.3
Exploit
https://github.com/kkos/oniguruma/issues/147
Mailing List
https://lists.debian.org/debian-lts-announce/2019/09/msg00010.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWOWZZNFSAWM3BUTQNAE3PD44A6JU4KE/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW47MSFZ6WYOAOFXHBDGU4LYACFRKC2Y/
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