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    CVE-2013-1667

    The rehash mechanism in Perl 5.8.2 through 5.16.x allows context-dependent attackers to cause a denial of service (memory consumption and crash) via a crafted hash key.

    Published:Mar 4, 2013
    Last Modified:Apr 11, 2025
    EPS:Mar 12, 2013
    EPSS Score:0.02583
    CVSS Score:7.5

    Affected Products

    Vendor
    Perl
    Product
    Perl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-13221 (CVSS 9.1) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently in…
    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…
    CVE-2025-40909 (CVSS 5.9) — Perl threads have a working directory race condition where file operations may target unintended paths. If a …
    CVE-2024-56406 (CVSS 8.4) — A heap buffer overflow vulnerability was discovered in Perl. Release branches 5.34, 5.36, 5.38 and 5.40 are …
    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 …
    CVE-2023-47039 (CVSS 7.8) — A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path…

    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702296
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
    http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
    http://marc.info/?l=bugtraq&m=137891988921058&w=2
    http://osvdb.org/90892
    http://perl5.git.perl.org/perl.git/commitdiff/6e79fe5
    http://perl5.git.perl.org/perl.git/commitdiff/9d83adc
    http://perl5.git.perl.org/perl.git/commitdiff/d59e31f
    http://rhn.redhat.com/errata/RHSA-2013-0685.html
    http://secunia.com/advisories/52472
    http://secunia.com/advisories/52499
    http://www.debian.org/security/2013/dsa-2641
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
    http://www.nntp.perl.org/group/perl.perl5.porters/2013/03/msg199755.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/58311
    http://www.ubuntu.com/usn/USN-1770-1
    https://bugzilla.redhat.com/show_bug.cgi?id=912276
    https://exchange.xforce.ibmcloud.com/vulnerabilities/82598
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18771
    https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0094
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702296
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
    http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
    http://marc.info/?l=bugtraq&m=137891988921058&w=2
    http://osvdb.org/90892
    http://perl5.git.perl.org/perl.git/commitdiff/6e79fe5
    http://perl5.git.perl.org/perl.git/commitdiff/9d83adc
    http://perl5.git.perl.org/perl.git/commitdiff/d59e31f
    http://rhn.redhat.com/errata/RHSA-2013-0685.html
    http://secunia.com/advisories/52472
    http://secunia.com/advisories/52499
    http://www.debian.org/security/2013/dsa-2641
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
    http://www.nntp.perl.org/group/perl.perl5.porters/2013/03/msg199755.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/58311
    http://www.ubuntu.com/usn/USN-1770-1
    https://bugzilla.redhat.com/show_bug.cgi?id=912276
    https://exchange.xforce.ibmcloud.com/vulnerabilities/82598
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18771
    https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0094

    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