CVE-2026-49975
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.
This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.17 <= 2.4.67 | affected |
Weaknesses
- CWE-789: CWE-789 Memory Allocation with Excessive Size Value
ADP Enrichment
CVE Program Container
Additional References
- http://www.openwall.com/lists/oss-security/2026/06/03/3
- https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html
- http://www.openwall.com/lists/oss-security/2026/06/08/16
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack
Additional References
- https://access.redhat.com/security/cve/CVE-2026-49975
- https://bugzilla.redhat.com/show_bug.cgi?id=2485371
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49975.json
- https://access.redhat.com/errata/RHSA-2026:27200
- https://access.redhat.com/errata/RHSA-2026:25225
- https://access.redhat.com/errata/RHSA-2026:25090
- https://access.redhat.com/errata/RHSA-2026:25057
- https://access.redhat.com/errata/RHSA-2026:25042
- https://access.redhat.com/errata/RHSA-2026:27201
- https://access.redhat.com/errata/RHSA-2026:27114
References
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