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    CVE-2008-1927

    Double free vulnerability in Perl 5.8.8 allows context-dependent attackers to cause a denial of service (memory corruption and crash) via a crafted regular expression containing UTF8 characters. NOTE: this issue might only be present on certain operating systems.

    Published:Dec 4, 2007
    Last Modified:Apr 23, 2026
    EPS:Apr 23, 2008
    EPSS Score:0.0236
    CVSS Score:5

    Affected Products

    Vendor
    Perl
    Product
    Perl
    Vendor
    Redhat
    Product
    Certificate System
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Application Stack

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-19487 (CVSS 5.3) — Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure…
    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=454792
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
    http://osvdb.org/44588
    http://rt.perl.org/rt3/Public/Bug/Display.html?id=48156
    http://secunia.com/advisories/29948
    http://secunia.com/advisories/30025
    http://secunia.com/advisories/30326
    http://secunia.com/advisories/30624
    http://secunia.com/advisories/31208
    http://secunia.com/advisories/31328
    http://secunia.com/advisories/31467
    http://secunia.com/advisories/31604
    http://secunia.com/advisories/31687
    http://secunia.com/advisories/33314
    http://secunia.com/advisories/33937
    http://support.apple.com/kb/HT3438
    http://support.avaya.com/elmodocs2/security/ASA-2008-317.htm
    http://support.avaya.com/elmodocs2/security/ASA-2008-361.htm
    http://wiki.rpath.com/Advisories:rPSA-2009-0011
    http://www.debian.org/security/2008/dsa-1556
    http://www.gentoo.org/security/en/glsa/glsa-200805-17.xml
    http://www.ipcop.org/index.php?name=News&file=article&sid=41
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:100
    http://www.redhat.com/support/errata/RHSA-2008-0522.html
    http://www.redhat.com/support/errata/RHSA-2008-0532.html
    http://www.securityfocus.com/archive/1/500210/100/0/threaded
    http://www.securityfocus.com/bid/28928
    http://www.securitytracker.com/id?1020253
    http://www.ubuntu.com/usn/usn-700-1
    http://www.ubuntu.com/usn/usn-700-2
    http://www.vmware.com/security/advisories/VMSA-2008-0013.html
    http://www.vupen.com/english/advisories/2008/2265/references
    http://www.vupen.com/english/advisories/2008/2361
    http://www.vupen.com/english/advisories/2008/2424
    http://www.vupen.com/english/advisories/2009/0422
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41996
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10579
    https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00601.html
    https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00607.html
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=454792
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
    http://osvdb.org/44588
    http://rt.perl.org/rt3/Public/Bug/Display.html?id=48156
    http://secunia.com/advisories/29948
    http://secunia.com/advisories/30025
    http://secunia.com/advisories/30326
    http://secunia.com/advisories/30624
    http://secunia.com/advisories/31208
    http://secunia.com/advisories/31328
    http://secunia.com/advisories/31467
    http://secunia.com/advisories/31604
    http://secunia.com/advisories/31687
    http://secunia.com/advisories/33314
    http://secunia.com/advisories/33937
    http://support.apple.com/kb/HT3438
    http://support.avaya.com/elmodocs2/security/ASA-2008-317.htm
    http://support.avaya.com/elmodocs2/security/ASA-2008-361.htm
    http://wiki.rpath.com/Advisories:rPSA-2009-0011
    http://www.debian.org/security/2008/dsa-1556
    http://www.gentoo.org/security/en/glsa/glsa-200805-17.xml
    http://www.ipcop.org/index.php?name=News&file=article&sid=41
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:100
    http://www.redhat.com/support/errata/RHSA-2008-0522.html
    http://www.redhat.com/support/errata/RHSA-2008-0532.html
    http://www.securityfocus.com/archive/1/500210/100/0/threaded
    http://www.securityfocus.com/bid/28928
    http://www.securitytracker.com/id?1020253
    http://www.ubuntu.com/usn/usn-700-1
    http://www.ubuntu.com/usn/usn-700-2
    http://www.vmware.com/security/advisories/VMSA-2008-0013.html
    http://www.vupen.com/english/advisories/2008/2265/references
    http://www.vupen.com/english/advisories/2008/2361
    http://www.vupen.com/english/advisories/2008/2424
    http://www.vupen.com/english/advisories/2009/0422
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41996
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10579
    https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00601.html
    https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00607.html

    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