CVE-2026-42536

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Source
https://cve.org/CVERecord?id=CVE-2026-42536
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42536.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-42536
Aliases
Downstream
ALPINE (1)
ALSA (3)
AZL (1)
BELL (1)
CLSA (9)
DEBIAN (1)
ECHO (1)
MGASA (1)
MINI (1)
OESA (4)
openSUSE (1)
RHSA (9)
RLSA (3)
ROOT (2)
SUSE (5)
UBUNTU (1)
Related
ALSA (3)
openSUSE (1)
SUSE (5)
Published
2026-06-08T15:23:46Z
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_xml2enc heap overflow
Details

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Database specific 
{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42536.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "2.4.0"
                        },
                        {
                            "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
da5873e80d6eee7a0838793bf68f1d0254745fbb
Fixed
736bb657405eb73fd68a64772c3a908807bdb887
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.4.0"
                },
                {
                    "fixed": "2.4.68"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42536.json"