CVE-2015-8853

7.5 HIGH
Published: May 25, 2016 Modified: May 06, 2026
View on NVD

Description

The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/86707
Source: security@debian.org
https://usn.ubuntu.com/3625-1/
Source: security@debian.org
https://usn.ubuntu.com/3625-2/
Source: security@debian.org
http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/20/5
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/04/20/7
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/86707
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1329106
Source: af854a3a-2127-422b-91ae-364da2661108
https://rt.perl.org/Public/Bug/Display.html?id=123562
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201701-75
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3625-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3625-2/
Source: af854a3a-2127-422b-91ae-364da2661108

26 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
14.0%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

perl fedoraproject