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    CVE-2004-1018

    Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code via (1) a negative offset value to the shmop_write function, (2) an "integer overflow/underflow" in the pack function, or (3) an "integer overflow/underflow" in the unpack function. NOTE: this issue was originally REJECTed by its CNA before publication, but that decision is in active dispute. This candidate may change significantly in the future as a result of further discussion.

    Published:Dec 8, 2004
    Last Modified:Apr 16, 2026
    EPS:Dec 8, 2004
    EPSS Score:0.2419
    CVSS Score:10

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Stronghold
    Vendor
    Redhat
    Product
    Stronghold

    Exploits

    https://www.exploit-db.com/exploits/24854https://www.exploit-db.com/exploits/24855

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://marc.info/?l=bugtraq&m=110314318531298&w=2
    http://www.hardened-php.net/advisories/012004.txt
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:151
    http://www.mandriva.com/security/advisories?name=MDKSA-2005:072
    http://www.osvdb.org/12411
    http://www.php.net/release_4_3_10.php
    http://www.redhat.com/support/errata/RHSA-2005-032.html
    http://www.redhat.com/support/errata/RHSA-2005-816.html
    http://www.securityfocus.com/advisories/9028
    http://www.securityfocus.com/archive/1/384920
    http://www.securityfocus.com/bid/12045
    https://bugzilla.fedora.us/show_bug.cgi?id=2344
    https://exchange.xforce.ibmcloud.com/vulnerabilities/18515
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10949
    https://www.ubuntu.com/usn/usn-99-1/
    http://marc.info/?l=bugtraq&m=110314318531298&w=2
    http://www.hardened-php.net/advisories/012004.txt
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:151
    http://www.mandriva.com/security/advisories?name=MDKSA-2005:072
    http://www.osvdb.org/12411
    http://www.php.net/release_4_3_10.php
    http://www.redhat.com/support/errata/RHSA-2005-032.html
    http://www.redhat.com/support/errata/RHSA-2005-816.html
    http://www.securityfocus.com/advisories/9028
    http://www.securityfocus.com/archive/1/384920
    http://www.securityfocus.com/bid/12045
    https://bugzilla.fedora.us/show_bug.cgi?id=2344
    https://exchange.xforce.ibmcloud.com/vulnerabilities/18515
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10949
    https://www.ubuntu.com/usn/usn-99-1/

    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