Vulnerability-Lookup

OESA-2026-2811 (CVE-2026-43951)

Vulnerability from osv_openeuler – Published: 2026-07-06 11:11 – Updated: 2026-08-06 11:11 – Source website

Summary

httpd security update

Details

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.

Security Fix(es):

Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages.

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.(CVE-2026-43951)

Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.

This issue affects Apache HTTP Server: from through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44119)

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-43951	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-44119	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "httpd-2.4.43-39.oe2003sp4.aarch64.rpm",
          "httpd-debuginfo-2.4.43-39.oe2003sp4.aarch64.rpm",
          "httpd-debugsource-2.4.43-39.oe2003sp4.aarch64.rpm",
          "httpd-devel-2.4.43-39.oe2003sp4.aarch64.rpm",
          "httpd-tools-2.4.43-39.oe2003sp4.aarch64.rpm",
          "mod_ldap-2.4.43-39.oe2003sp4.aarch64.rpm",
          "mod_md-2.4.43-39.oe2003sp4.aarch64.rpm",
          "mod_proxy_html-2.4.43-39.oe2003sp4.aarch64.rpm",
          "mod_session-2.4.43-39.oe2003sp4.aarch64.rpm",
          "mod_ssl-2.4.43-39.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "httpd-filesystem-2.4.43-39.oe2003sp4.noarch.rpm",
          "httpd-help-2.4.43-39.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "httpd-2.4.43-39.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "httpd-2.4.43-39.oe2003sp4.x86_64.rpm",
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          "mod_session-2.4.43-39.oe2003sp4.x86_64.rpm",
          "mod_ssl-2.4.43-39.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "httpd",
        "purl": "pkg:rpm/openEuler/httpd\u0026distro=openEuler-20.03-LTS-SP4"
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              "introduced": "0"
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              "fixed": "2.4.43-39.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nOut-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages.\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.(CVE-2026-43951)\n\nImproper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.\n\nThis issue affects Apache HTTP Server: from through 2.4.67.\n\nUsers are recommended to upgrade to version 2.4.68, which fixes the issue.(CVE-2026-44119)",
  "id": "OESA-2026-2811",
  "modified": "2026-08-06T11:11:43Z",
  "published": "2026-07-06T11:11:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2811"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43951"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44119"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "httpd security update",
  "upstream": [
    "CVE-2026-43951",
    "CVE-2026-44119"
  ]
}

CVE-2026-43951 (GCVE-0-2026-43951)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:16 – Updated: 2026-06-08 22:32

Title

Apache HTTP Server: OOB Read in `merge_response_headers` can cause crash

Summary

Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-08 18:13 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.0 , ≤ 2.4.67 (semver)

Credits

Zhenpeng (Leo) Lin at depthfirst

Show details on NVD website

JSON

To clipboard

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CVE-2026-44119 (GCVE-0-2026-44119)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:17 – Updated: 2026-06-09 11:57

Title

Apache HTTP Server: escalation of privilege through expressions in .htaccess in multiple modules

Summary

Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. This issue affects Apache HTTP Server: from through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-09 11:57 UTC

CWE

CWE-269 - Improper Privilege Management

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.0 , ≤ 2.4.67 (semver)

Credits

Lucian Nitescu as3617 (@real_as3617) at ENKI Whitehat Zhang San Martin Petrák joaovicdev Rooting | Lucas Torres R4mbb of KRsecurity gggggggga@Xiaomi ShadowBlade Security Lab NikKrian of H3C Security Center(h3c.com) lokerxx

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2026-2811 (CVE-2026-43951)

CVE-2026-43951 (GCVE-0-2026-43951)

CVE-2026-44119 (GCVE-0-2026-44119)

Tags

Sightings

Nomenclature

Related by attack behaviour