CVE-2026-49975

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Source
https://cve.org/CVERecord?id=CVE-2026-49975
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49975.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-49975
Aliases
Downstream
ALPINE (1)
ALSA (3)
AZL (3)
BELL (1)
CLSA (24)
DEBIAN (1)
ECHO (1)
MGASA (1)
MINI (1)
OESA (5)
openSUSE (1)
RHSA (12)
RLSA (3)
ROOT (1)
SUSE (5)
UBUNTU (1)
Related
ALSA (3)
openSUSE (1)
SUSE (5)
Published
2026-06-08T15:26:04Z
Modified
2026-11-05T21:32:23Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Apache HTTP Server: mod_http2 denial of service
Details

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.

Database specific 
{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49975.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "2.4.17"
                        },
                        {
                            "last_affected": "2.4.67"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Introduced
47a9d8e8abf5697b4580c3ee2ade302b5c058fa6
Fixed
736bb657405eb73fd68a64772c3a908807bdb887
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.4.17"
                },
                {
                    "fixed": "2.4.68"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49975.json"