OESA-2026-2639 (CVE-2026-49975)

Vulnerability from osv_openeuler – Published: 2026-06-12 11:11 – Updated: 2026-08-06 11:11 – Source website
VLAI
Summary
httpd security update
Details

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

Security Fix(es):

A vulnerability was found in Apache HTTP Server (Web Server) (affected version not known). It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use.Impacted is availability.The exploit is available at blog.calif.io. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.Applying a patch is able to eliminate this problem.(CVE-2026-49975)

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "httpd-2.4.51-31.oe2203sp4.aarch64.rpm",
          "httpd-debuginfo-2.4.51-31.oe2203sp4.aarch64.rpm",
          "httpd-debugsource-2.4.51-31.oe2203sp4.aarch64.rpm",
          "httpd-devel-2.4.51-31.oe2203sp4.aarch64.rpm",
          "httpd-tools-2.4.51-31.oe2203sp4.aarch64.rpm",
          "mod_ldap-2.4.51-31.oe2203sp4.aarch64.rpm",
          "mod_md-2.4.51-31.oe2203sp4.aarch64.rpm",
          "mod_proxy_html-2.4.51-31.oe2203sp4.aarch64.rpm",
          "mod_session-2.4.51-31.oe2203sp4.aarch64.rpm",
          "mod_ssl-2.4.51-31.oe2203sp4.aarch64.rpm"
        ],
        "noarch": [
          "httpd-filesystem-2.4.51-31.oe2203sp4.noarch.rpm",
          "httpd-help-2.4.51-31.oe2203sp4.noarch.rpm"
        ],
        "src": [
          "httpd-2.4.51-31.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "httpd-2.4.51-31.oe2203sp4.x86_64.rpm",
          "httpd-debuginfo-2.4.51-31.oe2203sp4.x86_64.rpm",
          "httpd-debugsource-2.4.51-31.oe2203sp4.x86_64.rpm",
          "httpd-devel-2.4.51-31.oe2203sp4.x86_64.rpm",
          "httpd-tools-2.4.51-31.oe2203sp4.x86_64.rpm",
          "mod_ldap-2.4.51-31.oe2203sp4.x86_64.rpm",
          "mod_md-2.4.51-31.oe2203sp4.x86_64.rpm",
          "mod_proxy_html-2.4.51-31.oe2203sp4.x86_64.rpm",
          "mod_session-2.4.51-31.oe2203sp4.x86_64.rpm",
          "mod_ssl-2.4.51-31.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "httpd",
        "purl": "pkg:rpm/openEuler/httpd\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.51-31.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nA vulnerability was found in Apache HTTP Server (Web Server) (affected version not known). It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use.Impacted is availability.The exploit is available at blog.calif.io. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.Applying a patch is able to eliminate this problem.(CVE-2026-49975)",
  "id": "OESA-2026-2639",
  "modified": "2026-08-06T11:11:34Z",
  "published": "2026-06-12T11:11:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2639"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49975"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "httpd security update",
  "upstream": [
    "CVE-2026-49975"
  ]
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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