Quick answers
- Is CVE-2026-42528 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-42528 being exploited in the wild.
- How severe is CVE-2026-42528?
- Medium severity, with a CVSS score of 4.3, published 1 October 2026.
- Which products and versions are affected?
- Apache Httpd 2.4.67 and earlier, through 2.4.68.
- Is there a fix for CVE-2026-42528?
- Yes: fixed in 2.4.69. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-42528 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-42528?
- Check whether you run Apache HTTP Server or Apache Httpd at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 2.4.69
Technical details
A memory calculation bug in mod_dav allows authenticated attackers with WebDAV lock creation permissions to trigger a denial of service by crashing server child processes. The vulnerability exists in Apache httpd 2.4.67 and earlier versions through 2.4.68, and is fixed in version 2.4.69.
Affected products
- Apache httpd 2.4.67 and earlier, through 2.4.68
Timeline
- 2026-10-01: disclosed
- 2026-10-01: patched