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    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.

    Published:Oct 10, 2012
    Last Modified:Apr 11, 2025
    EPS:Dec 18, 2012
    EPSS Score:0.02738
    CVSS Score:7.5

    Affected Products

    Vendor
    Perl
    Product
    Perl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-57432 (CVSS 8.4) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer ove…
    CVE-2026-8376 (CVSS 9.8) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have a heap buffer …
    CVE-2026-4176 (CVSS 9.8) — Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a…
    CVE-2025-11683 (CVSS 6.5) — YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and pote…
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    CVE-2021-47155 (CVSS 9.1) — The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address …
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    References

    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High