{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114458", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "state": "PUBLISHED", "assignerShortName": "fedora", "dateReserved": "2026-10-21T14:38:50.235Z", "datePublished": "2026-10-22T06:37:04.887Z", "dateUpdated": "2026-10-22T06:37:04.887Z"}, "containers": {"cna": {"title": "Mod_qos: undersized connection-monitor scratch array permits heap buffer overflow", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in mod_qos. An unauthenticated remote attacker can cause a Denial of Service (DoS) by maintaining numerous concurrent low-rate connections to a target server. When connection rate monitoring is active, the module fails to verify array boundaries when recording client IP addresses, allowing more connection records to be added than the allocated buffer can hold. This issue leads to heap memory corruption, which can crash the web server process."}], "affected": [{"vendor": "pbuchbinder", "product": "mod_qos", "versions": [{"status": "affected", "version": "11.74", "versionType": "custom"}, {"status": "affected", "version": "11.76", "versionType": "custom"}, {"status": "affected", "version": "11.79", "versionType": "custom"}], "packageName": "mod_qos", "collectionURL": "https://svn.code.sf.net/p/mod-qos/source/", "defaultStatus": "unknown"}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-114458", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558393", "name": "RHBZ#2558393", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-10-21T14:45:26.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-787: Out-of-bounds Write", "timeline": [{"lang": "en", "time": "2026-10-17T14:23:45.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-10-21T14:45:26.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Robin \"drzobin\" Larsson for reporting this issue."}], "providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2026-10-22T06:37:04.887Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://svn.code.sf.net/p/mod-qos/source/", "defaultStatus": "unknown", "packageName": "mod_qos", "product": "mod_qos", "vendor": "pbuchbinder", "versions": [{"status": "affected", "version": "11.74", "versionType": "custom"}, {"status": "affected", "version": "11.76", "versionType": "custom"}, {"status": "affected", "version": "11.79", "versionType": "custom"}]}], "source": "patrick@puiterwijk.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in mod_qos. An unauthenticated remote attacker can cause a Denial of Service (DoS) by maintaining numerous concurrent low-rate connections to a target server. When connection rate monitoring is active, the module fails to verify array boundaries when recording client IP addresses, allowing more connection records to be added than the allocated buffer can hold. This issue leads to heap memory corruption, which can crash the web server process."}], "id": "CVE-2026-114458", "lastModified": "2026-10-22T07:16:42.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "patrick@puiterwijk.org", "type": "Secondary"}]}, "published": "2026-10-22T07:16:42.520", "references": [{"source": "patrick@puiterwijk.org", "url": "https://access.redhat.com/security/cve/CVE-2026-114458"}, {"source": "patrick@puiterwijk.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558393"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.74"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.76"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.79"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "mod_qos", "source": "cna", "vendor": "pbuchbinder"}, "product": "mod_qos", "vendor": "pbuchbinder"}], "created": "2026-10-22T08:45:02.951927+00:00", "updated": "2026-10-22T09:06:08.762694+00:00", "vendors": ["pbuchbinder", "pbuchbinder$PRODUCT$mod_qos"]}