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CVE-2019-10082

Publication date 14 August 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

In Apache HTTP Server 2.4.18-2.4.39, using fuzzed network input, the http/2 session handling could be made to read memory after being freed, during connection shutdown.

Read the notes from the security team

Mitigation

Unpatched servers can disable the h2/h2c protocol.

Status

Package Ubuntu Release Status
apache2 19.04 disco
Fixed 2.4.38-2ubuntu2.2
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.10
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


sbeattie

apache2 2.4.18 to 2.4.39 apache 2.4.18 in xenial does not build mod_http2

Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4113-1
    • Apache HTTP Server vulnerabilities
    • 29 August 2019

Other references