Vulnerability Report

CVE-2012-5195

Title: Perl RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2012-5195.

CWE Category CWE-119

Published Date Dec 18, 2012

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.5 CVSS v2.0

Exploit Probability (EPSS)

4.88%

Vulnerability Summary

CVE-2012-5195: Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service (memory consumption and crash) or possibly execute arbitrary code via the 'x' string repeat operator.

Impacted Vendors

perl 1

larry_wall 1

Reference Links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44 http://rhn.redhat.com/errata/RHSA-2013-0685.html http://secunia.com/advisories/51457 http://secunia.com/advisories/55314 http://www.debian.org/security/2012/dsa-2586 http://www.mandriva.com/security/advisories?name=MDVSA-2013:113 http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html http://www.openwall.com/lists/oss-security/2012/10/26/2 http://www.openwall.com/lists/oss-security/2012/10/27/1 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/56287 http://www.ubuntu.com/usn/USN-1643-1 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44 http://rhn.redhat.com/errata/RHSA-2013-0685.html http://secunia.com/advisories/51457 http://secunia.com/advisories/55314 http://www.debian.org/security/2012/dsa-2586 http://www.mandriva.com/security/advisories?name=MDVSA-2013:113 http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html http://www.openwall.com/lists/oss-security/2012/10/26/2 http://www.openwall.com/lists/oss-security/2012/10/27/1 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/56287 http://www.ubuntu.com/usn/USN-1643-1 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-5195 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

December 18, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.