UBUNTU-CVE-2021-21702

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    UBUNTU-CVE-2021-21702

    Published: 15 Feb 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-21702

    Summary:

    Details: In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.

    References: https://ubuntu.com/security/CVE-2021-21702, https://ubuntu.com/security/notices/USN-5006-1, https://ubuntu.com/security/notices/USN-5006-2, https://www.cve.org/CVERecord?id=CVE-2021-21702

    Affected packages

    Package

    Name: php5

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu4.29+esm14?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.5.9+dfsg-1ubuntu4.29+esm14

    Affected versions

    5.5.3+dfsg-1ubuntu2
    5.5.3+dfsg-1ubuntu3
    5.5.6+dfsg-1ubuntu1
    5.5.6+dfsg-1ubuntu2
    5.5.8+dfsg-2ubuntu1
    5.5.9+dfsg-1ubuntu1
    5.5.9+dfsg-1ubuntu2
    5.5.9+dfsg-1ubuntu3
    5.5.9+dfsg-1ubuntu4
    5.5.9+dfsg-1ubuntu4.1
    5.5.9+dfsg-1ubuntu4.2
    5.5.9+dfsg-1ubuntu4.3
    5.5.9+dfsg-1ubuntu4.4
    5.5.9+dfsg-1ubuntu4.5
    5.5.9+dfsg-1ubuntu4.6
    5.5.9+dfsg-1ubuntu4.7
    5.5.9+dfsg-1ubuntu4.9
    5.5.9+dfsg-1ubuntu4.11
    5.5.9+dfsg-1ubuntu4.12
    5.5.9+dfsg-1ubuntu4.13
    5.5.9+dfsg-1ubuntu4.14
    5.5.9+dfsg-1ubuntu4.16
    5.5.9+dfsg-1ubuntu4.17
    5.5.9+dfsg-1ubuntu4.19
    5.5.9+dfsg-1ubuntu4.20
    5.5.9+dfsg-1ubuntu4.21
    5.5.9+dfsg-1ubuntu4.22
    5.5.9+dfsg-1ubuntu4.23
    5.5.9+dfsg-1ubuntu4.24
    5.5.9+dfsg-1ubuntu4.25
    5.5.9+dfsg-1ubuntu4.26
    5.5.9+dfsg-1ubuntu4.27
    5.5.9+dfsg-1ubuntu4.29
    5.5.9+dfsg-1ubuntu4.29+esm1
    5.5.9+dfsg-1ubuntu4.29+esm2
    5.5.9+dfsg-1ubuntu4.29+esm3
    5.5.9+dfsg-1ubuntu4.29+esm4
    5.5.9+dfsg-1ubuntu4.29+esm5
    5.5.9+dfsg-1ubuntu4.29+esm6
    5.5.9+dfsg-1ubuntu4.29+esm8
    5.5.9+dfsg-1ubuntu4.29+esm10
    5.5.9+dfsg-1ubuntu4.29+esm11
    5.5.9+dfsg-1ubuntu4.29+esm12
    5.5.9+dfsg-1ubuntu4.29+esm13

    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