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CVE-2021-39275

Publication date 16 September 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
apache2 22.04 LTS jammy
Fixed 2.4.48-3.1ubuntu2
21.10 impish
Fixed 2.4.48-3.1ubuntu2
21.04 hirsute
Fixed 2.4.46-4ubuntu1.2
20.04 LTS focal
Fixed 2.4.41-4ubuntu3.5
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.17
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
apache2

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5090-1
    • Apache HTTP Server vulnerabilities
    • 27 September 2021
    • USN-5090-2
    • Apache HTTP Server vulnerabilities
    • 27 September 2021

Other references