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    CVE-2016-5093

    The get_icu_value_internal function in ext/intl/locale/locale_methods.c in PHP before 5.5.36, 5.6.x before 5.6.22, and 7.x before 7.0.7 does not ensure the presence of a '\0' character, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted locale_get_primary_language call.

    Published:May 19, 2016
    Last Modified:Apr 12, 2025
    EPS:Aug 7, 2016
    EPSS Score:0.01094
    CVSS Score:8.6

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Rhel Software Collections

    Exploits

    https://bugs.php.net/bug.php?id=72241https://bugs.php.net/bug.php?id=72241

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    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…
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    References

    http://php.net/ChangeLog-5.php
    http://php.net/ChangeLog-7.php
    http://rhn.redhat.com/errata/RHSA-2016-2750.html
    http://www.debian.org/security/2016/dsa-3602
    http://www.openwall.com/lists/oss-security/2016/05/26/3
    http://www.securityfocus.com/bid/90946
    https://bugs.php.net/bug.php?id=72241
    https://github.com/php/php-src/commit/97eff7eb57fc2320c267a949cffd622c38712484?w=1
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
    http://php.net/ChangeLog-5.php
    http://php.net/ChangeLog-7.php
    http://rhn.redhat.com/errata/RHSA-2016-2750.html
    http://www.debian.org/security/2016/dsa-3602
    http://www.openwall.com/lists/oss-security/2016/05/26/3
    http://www.securityfocus.com/bid/90946
    https://bugs.php.net/bug.php?id=72241
    https://github.com/php/php-src/commit/97eff7eb57fc2320c267a949cffd622c38712484?w=1
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731

    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