Quick answers
- Is CVE-2026-49975 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-49975 being exploited in the wild.
- How severe is CVE-2026-49975?
- Informational severity, with a CVSS score of 0, published 8 June 2026.
- Which products and versions are affected?
- Apache HTTP Server 2.4.17 through 2.4.67.
- Is there a fix for CVE-2026-49975?
- A patch was published on 2026-06-08: Fixed in Apache HTTP Server version 2.4.68 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-49975 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-49975?
- Check whether you run Apache HTTP Server 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.
Technical details
A vulnerability classified as CWE-789 (Memory Allocation with Excessive Size Value) exists in the mod_http module of Apache HTTP Server. The flaw occurs when the server processes malicious HTTP requests that specify an excessive size for memory allocation, leading to resource exhaustion or a crash. This is a remote, unauthenticated attack vector. The issue affects versions 2.4.17 through 2.4.67 and is addressed in version 2.4.68.
Affected products
- Apache HTTP Server 2.4.17 through 2.4.67
Timeline
- 2026-06-08: advisory: Initial advisory published by Apache and NVD
- 2026-06-08: patched: Fixed in Apache HTTP Server version 2.4.68