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ubuntuUbuntuUSN-6506-1
HistoryNov 22, 2023 - 12:00 a.m.

Apache HTTP Server vulnerabilities

2023-11-2200:00:00
ubuntu.com
29
apache http server
ubuntu 23.10
ubuntu 23.04
ubuntu 22.04 lts
ubuntu 20.04 lts
mod_macro module
denial of service
memory operations
http/2 connections
cve-2023-31122
cve-2023-43622
cve-2023-45802

7 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.1%

Releases

  • Ubuntu 23.10
  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • apache2 - Apache HTTP server

Details

David Shoon discovered that the Apache HTTP Server mod_macro module
incorrectly handled certain memory operations. A remote attacker could
possibly use this issue to cause the server to crash, resulting in a denial
of service. (CVE-2023-31122)

Prof. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and Choongin Lee
discovered that the Apache HTTP Server incorrectly handled certain HTTP/2
connections. A remote attacker could possibly use this issue to cause the
server to consume resources, leading to a denial of service. This issue
only affected Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-43622)

Will Dormann and David Warren discovered that the Apache HTTP Server
incorrectly handled memory when handling HTTP/2 connections. A remote
attacker could possibly use this issue to cause the server to consume
resources, leading to a denial of service. (CVE-2023-45802)

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