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    CVE-2014-3669

    Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.

    Published:Sep 18, 2014
    Last Modified:Apr 12, 2025
    EPS:Oct 29, 2014
    EPSS Score:0.51154
    CVSS Score:7.5

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Software Collections

    Exploits

    https://bugs.php.net/bug.php?id=68044https://bugs.php.net/bug.php?id=68044

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-14355 (CVSS 5.6) — In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRA…
    CVE-2026-7263 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data in…
    CVE-2026-6104 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL b…
    CVE-2026-7258 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some fu…
    CVE-2026-6722 (CVSS 9.5) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOA…
    CVE-2026-7259 (CVSS 2.1) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a misma…
    CVE-2026-7261 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when So…
    CVE-2026-7262 (CVSS 2.9) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a …
    CVE-2025-14179 (CVSS 7.4) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the PDO…
    CVE-2026-7568 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the met…

    References

    http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=56754a7f9eba0e4f559b6ca081d9f2a447b3f159
    http://linux.oracle.com/errata/ELSA-2014-1767.html
    http://linux.oracle.com/errata/ELSA-2014-1768.html
    http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00024.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00034.html
    http://lists.opensuse.org/opensuse-updates/2015-01/msg00006.html
    http://php.net/ChangeLog-5.php
    http://rhn.redhat.com/errata/RHSA-2014-1765.html
    http://rhn.redhat.com/errata/RHSA-2014-1766.html
    http://rhn.redhat.com/errata/RHSA-2014-1767.html
    http://rhn.redhat.com/errata/RHSA-2014-1768.html
    http://rhn.redhat.com/errata/RHSA-2014-1824.html
    http://secunia.com/advisories/59967
    http://secunia.com/advisories/60630
    http://secunia.com/advisories/60699
    http://secunia.com/advisories/61763
    http://secunia.com/advisories/61970
    http://secunia.com/advisories/61982
    http://www.debian.org/security/2014/dsa-3064
    http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
    http://www.securityfocus.com/bid/70611
    http://www.ubuntu.com/usn/USN-2391-1
    https://bugs.php.net/bug.php?id=68044
    https://bugzilla.redhat.com/show_bug.cgi?id=1154500
    https://support.apple.com/HT204659
    http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=56754a7f9eba0e4f559b6ca081d9f2a447b3f159
    http://linux.oracle.com/errata/ELSA-2014-1767.html
    http://linux.oracle.com/errata/ELSA-2014-1768.html
    http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00024.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00034.html
    http://lists.opensuse.org/opensuse-updates/2015-01/msg00006.html
    http://php.net/ChangeLog-5.php
    http://rhn.redhat.com/errata/RHSA-2014-1765.html
    http://rhn.redhat.com/errata/RHSA-2014-1766.html
    http://rhn.redhat.com/errata/RHSA-2014-1767.html
    http://rhn.redhat.com/errata/RHSA-2014-1768.html
    http://rhn.redhat.com/errata/RHSA-2014-1824.html
    http://secunia.com/advisories/59967
    http://secunia.com/advisories/60630
    http://secunia.com/advisories/60699
    http://secunia.com/advisories/61763
    http://secunia.com/advisories/61970
    http://secunia.com/advisories/61982
    http://www.debian.org/security/2014/dsa-3064
    http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
    http://www.securityfocus.com/bid/70611
    http://www.ubuntu.com/usn/USN-2391-1
    https://bugs.php.net/bug.php?id=68044
    https://bugzilla.redhat.com/show_bug.cgi?id=1154500
    https://support.apple.com/HT204659

    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