CVE-2026-33857

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Source
https://cve.org/CVERecord?id=CVE-2026-33857
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-33857.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-33857
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
2026-05-04T13:07:30Z
Modified
2026-08-12T03:30:10Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Apache HTTP Server: Off-by-one OOB reads in AJP getter functions
Details

Out-of-bounds Read vulnerability in mod_proxy_ajp of

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-125"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33857.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-2026-33857.json"