CVE-2026-57941

Source
https://cve.org/CVERecord?id=CVE-2026-57941
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57941.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-57941
Aliases
Downstream
ALPINE (1)
AZL (2)
BELL (1)
CLSA (3)
DEBIAN (1)
ECHO (1)
MGASA (1)
MINI (1)
OESA (4)
RHSA (1)
ROOT (1)
SUSE (4)
UBUNTU (1)
Related
Published
2026-10-01T16:06:53Z
Modified
2026-11-05T21:32:23Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy
Details

Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Database specific
{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57941.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "2.4.0"
                        },
                        {
                            "last_affected": "2.4.68"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.4.0"
                },
                {
                    "fixed": "2.4.69"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57941.json"