Low severity · published Oct 22, 2026
CVE-2026-114457
Mod_qos: missing nul termination in json value escaping permits out-of-bounds reads
New
3.7
CVSS
0.4%
EPSS
No
On KEV
Description
A flaw was found in mod_qos. An unauthenticated remote attacker could cause a Denial of Service (DoS) by sending a specially crafted JSON request when JSON body filtering is enabled. Due to improper string termination during the processing of percent-encoded input, the module reads past allocated memory boundaries, which can cause an Apache worker process to crash.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
mod_qos · pbuchbinder
11.74; 11.76; 11.79 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114457
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114457
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-114457
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2558311
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5.3
CVE-2026-114460
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3.7
CVE-2026-114459
Mod_qos: out-of-bounds reads in response-body substring matching