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    CVE-2009-1374

    Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.

    Published:May 3, 2009
    Last Modified:Apr 23, 2026
    EPS:May 26, 2009
    EPSS Score:0.04458
    CVSS Score:5

    Affected Products

    Vendor
    Pidgin
    Product
    Pidgin
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2019-25544 (CVSS 6.9) — Pidgin 2.13.0 contains a denial of service vulnerability that allows local attackers to crash the application …
    CVE-2022-26491 (CVSS 5.9) — An issue was discovered in Pidgin before 2.14.9. A remote attacker who can spoof DNS responses can redirect a …
    CVE-2017-2640 (CVSS 7.5) — An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remot…
    CVE-2016-2380 (CVSS 3.1) — An information leak exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent to…
    CVE-2016-4323 (CVSS 3.7) — A directory traversal exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent …
    CVE-2016-2374 (CVSS 8.1) — An exploitable memory corruption vulnerability exists in the handling of the MXIT protocol in Pidgin. Speciall…
    CVE-2016-2369 (CVSS 5.9) — A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially craf…
    CVE-2016-2367 (CVSS 5.9) — An information leak exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent vi…
    CVE-2016-2368 (CVSS 8.1) — Multiple memory corruption vulnerabilities exist in the handling of the MXIT protocol in Pidgin. Specially cra…
    CVE-2016-2372 (CVSS 5.9) — An information leak exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent vi…

    References

    http://secunia.com/advisories/35188
    http://secunia.com/advisories/35194
    http://secunia.com/advisories/35202
    http://secunia.com/advisories/35294
    http://secunia.com/advisories/35329
    http://www.gentoo.org/security/en/glsa/glsa-200905-07.xml
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:173
    http://www.pidgin.im/news/security/?id=30
    http://www.redhat.com/support/errata/RHSA-2009-1060.html
    http://www.securityfocus.com/bid/35067
    http://www.ubuntu.com/usn/USN-781-1
    http://www.vupen.com/english/advisories/2009/1396
    https://bugzilla.redhat.com/show_bug.cgi?id=500490
    https://exchange.xforce.ibmcloud.com/vulnerabilities/50684
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11654
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18201
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00033.html
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00051.html
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00075.html
    http://secunia.com/advisories/35188
    http://secunia.com/advisories/35194
    http://secunia.com/advisories/35202
    http://secunia.com/advisories/35294
    http://secunia.com/advisories/35329
    http://www.gentoo.org/security/en/glsa/glsa-200905-07.xml
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:173
    http://www.pidgin.im/news/security/?id=30
    http://www.redhat.com/support/errata/RHSA-2009-1060.html
    http://www.securityfocus.com/bid/35067
    http://www.ubuntu.com/usn/USN-781-1
    http://www.vupen.com/english/advisories/2009/1396
    https://bugzilla.redhat.com/show_bug.cgi?id=500490
    https://exchange.xforce.ibmcloud.com/vulnerabilities/50684
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11654
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18201
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00033.html
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00051.html
    https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00075.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