SB2019053018 - Fedora 29 update for mod_http2

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Main Vulnerability Database SB2019053018

SB2019053018 - Fedora 29 update for mod_http2

Published: May 30, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019053018
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2019-0196)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform denial of service attack.

The vulnerability exists due to a use-after-free error within the mod_http2 module when processing HTTP/2 requests. A remote attacker can make the application to access freed memory during string comparison when determining the method of a request and process the request incorrectly.

Successful exploitation of the vulnerability may allow an attacker to gain access to sensitive information or perform a denial of service attack.


Remediation

Install update from vendor's website.

References