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CVE-2021-26690

Publication date 10 June 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

Status

Package Ubuntu Release Status
apache2 22.04 LTS jammy
Fixed 2.4.46-4ubuntu2
21.10 impish
Fixed 2.4.46-4ubuntu2
21.04 hirsute
Fixed 2.4.46-4ubuntu1.1
20.10 groovy
Fixed 2.4.46-1ubuntu1.2
20.04 LTS focal
Fixed 2.4.41-4ubuntu3.3
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.16
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 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