USN-8931-1: apache2 Ubuntu
Vulnerability summary
USN-8931-1 is a vulnerability in apache2 Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 9 · Downstream 0 · Related 9Timeline
- 14-10-2026PublishedVulnerability first disclosed.
- 17-10-2026Last modifiedVulnerability information updated.
Description
apache2 vulnerabilities 이지웅 discovered that Apache HTTP Server exposed WebDAV property information. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-58415) Zhen Kong and Charles Vosburgh discovered that Apache HTTP Server did not properly validate FTP server responses. A remote attacker could possibly use this issue to make a forward proxy connect to an arbitrary host. (CVE-2026-63045) Hyojae Lee and Zhen Kong discovered that Apache HTTP Server incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-63292) Lucian Nitescu and Zhen Kong discovered that Apache HTTP Server did not properly handle certain responses from backend servers. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-63686) Qing Xu discovered that Apache HTTP Server incorrectly interpreted HTTP responses from backend servers. A remote attacker could possibly use this issue to perform HTTP response smuggling attacks. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-63718) Hyojae Lee discovered that Apache HTTP Server did not properly validate Digest authentication requests. A machine-in-the-middle attacker could possibly use this issue to bypass authentication. (CVE-2026-73636) Zhen Kong and Darren Carreras discovered that Apache HTTP Server did not properly manage authentication requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-73637) Vlatko Kosturjak discovered that Apache HTTP Server did not properly enforce access restrictions for user directories. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-79768) Zhen Kong discovered that Apache HTTP Server did not properly handle certain WebDAV requests. An authenticated user could possibly use this issue to cause a denial of service or corrupt WebDAV property data. (CVE-2026-93546)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- apache2< 2.4.7-1ubuntu4.22+esm17 | < 2.4.18-2ubuntu3.17+esm22 | < 2.4.29-1ubuntu4.27+esm13 | < 2.4.41-4ubuntu3.23+esm9 | < 2.4.52-1ubuntu4.25 | < 2.4.58-1ubuntu8.17 | < 2.4.66-2ubuntu2.6
1 vendor · 1 product