CVE-2026-34059

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Source
https://cve.org/CVERecord?id=CVE-2026-34059
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-34059.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-34059
Aliases
Downstream
ALPINE (1)
AZL (1)
BELL (1)
CLSA (13)
DEBIAN (1)
MGASA (1)
MINI (1)
OESA (5)
openSUSE (2)
RHSA (12)
RLSA (3)
SUSE (6)
UBUNTU (1)
Related
ALSA (3)
openSUSE (2)
SUSE (6)
Published
2026-05-04T12:39:42Z
Modified
2026-08-12T03:30:26Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in ajp_parse_data()
Details

Buffer Over-read vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Database specific 
{
    "cna_assigner":  "apache",
    "cwe_ids":  [
        "CWE-126"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34059.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "last_affected":  "2.4.66"
                }
            ],
            "source":  "AFFECTED_FIELD"
        },
        {
            "extracted_events":  [
                {
                    "fixed":  "2.4.66"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e4a77ef6051b3fe22eafacbcf54855b178a0bddd
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "2.4.66"
        }
    ],
    "source":  "DESCRIPTION"
}

Affected versions

2.*
2.4.66-rc1-candidate

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-34059.json"