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CVE-2024-27316

Publication date 27 March 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.

Status

Package Ubuntu Release Status
apache2 24.04 LTS noble
Fixed 2.4.58-1ubuntu8.1
23.10 mantic
Fixed 2.4.57-2ubuntu2.4
22.04 LTS jammy
Fixed 2.4.52-1ubuntu4.9
20.04 LTS focal
Fixed 2.4.41-4ubuntu3.17
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty
Needs evaluation

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

References

Related Ubuntu Security Notices (USN)

    • USN-6729-1
    • Apache HTTP Server vulnerabilities
    • 11 April 2024
    • USN-6729-2
    • Apache HTTP Server vulnerabilities
    • 17 April 2024
    • USN-6729-3
    • Apache HTTP Server vulnerabilities
    • 29 April 2024

Other references