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CVE-2015-8853

Date: May 25, 2016

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."

Language: C

Severity Score

Related Resources (18)

https://security.gentoo.org/glsa/201701-75
https://access.redhat.com/security/cve/CVE-2015-8853
https://bugzilla.redhat.com/show_bug.cgi?id=1329106
http://www.openwall.com/lists/oss-security/2016/04/20/7
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183592.html
http://www.securityfocus.com/bid/86707
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8853
http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5
https://rt.perl.org/Public/Bug/Display.html?id=123562
http://www.openwall.com/lists/oss-security/2016/04/20/5
https://usn.ubuntu.com/3625-1/
https://usn.ubuntu.com/3625-2/
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://nvd.nist.gov/vuln/detail/CVE-2015-8853
https://security-tracker.debian.org/tracker/CVE-2015-8853
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
https://www.mend.io/vulnerability-database/CVE-2015-8853

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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