UBUNTU-CVE-2021-39275

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    UBUNTU-CVE-2021-39275

    Published: 16 Sept 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-39275

    Summary:

    Details: ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.

    References: https://ubuntu.com/security/CVE-2021-39275, https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-39275, https://httpd.apache.org/security/vulnerabilities_24.html, https://ubuntu.com/security/notices/USN-5090-1, https://ubuntu.com/security/notices/USN-5090-2, https://www.cve.org/CVERecord?id=CVE-2021-39275

    Affected packages

    Package

    Name: apache2

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.7-1ubuntu4.22+esm2

    Affected versions

    2.4.6-2ubuntu2
    2.4.6-2ubuntu3
    2.4.6-2ubuntu4
    2.4.7-1ubuntu1
    2.4.7-1ubuntu2
    2.4.7-1ubuntu3
    2.4.7-1ubuntu4
    2.4.7-1ubuntu4.1
    2.4.7-1ubuntu4.4
    2.4.7-1ubuntu4.5
    2.4.7-1ubuntu4.6
    2.4.7-1ubuntu4.7
    2.4.7-1ubuntu4.8
    2.4.7-1ubuntu4.9
    2.4.7-1ubuntu4.10
    2.4.7-1ubuntu4.11
    2.4.7-1ubuntu4.13
    2.4.7-1ubuntu4.15
    2.4.7-1ubuntu4.16
    2.4.7-1ubuntu4.17
    2.4.7-1ubuntu4.18
    2.4.7-1ubuntu4.19
    2.4.7-1ubuntu4.20
    2.4.7-1ubuntu4.21
    2.4.7-1ubuntu4.22
    2.4.7-1ubuntu4.22+esm1

    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
    UBUNTU-CVE-2021-39275 | CVE-DB