CVE-2026-114459

LOW 3.7

Mod_qos: out-of-bounds reads in response-body substring matching

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in mod_qos. When inspecting HTTP response bodies, improper boundary checking can cause the module to read memory outside allocated buffer boundaries. An unauthenticated remote attacker can exploit this vulnerability by triggering specifically crafted server responses, causing an Apache worker process to crash and resulting in a Denial of Service (DoS).

CWE	CWE-125
Vendor	pbuchbinder
Product	mod_qos
Published	Oct 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

pbuchbinder / mod_qos

11.74 11.76 11.79

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-114459 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2558397

Credits

Red Hat would like to thank Robin "drzobin" Larsson for reporting this issue.