{
  "threat_severity" : "Moderate",
  "public_date" : "2026-06-08T15:24:52Z",
  "bugzilla" : {
    "description" : "httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.",
    "id" : "2486405",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2486405"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.3",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-825",
  "details" : [ "Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.\nThis issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.", "A flaw was found in the Apache HTTP Server's mod_http2 module. This vulnerability, known as a Use After Free, occurs when the server's file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system compromise." ],
  "statement" : "A use-after-free vulnerability exists in the Apache HTTP Server mod_http2 module when system file handles are exhausted. A remote attacker could trigger this flaw via HTTP/2 requests to cause a denial of service (crash) or memory corruption.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-07-01T00:00:00Z",
    "advisory" : "RHSA-2026:34355",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "mod_http2-0:2.0.29-4.el10_2.2"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-06-10T00:00:00Z",
    "advisory" : "RHSA-2026:25042",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "httpd-main-2.4.68-1.hum1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Fix deferred",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "mod_http2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "mod_http2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat JBoss Core Services",
    "fix_state" : "Affected",
    "package_name" : "jbcs-httpd24-mod_http2",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1"
  }, {
    "product_name" : "Red Hat JBoss Core Services",
    "fix_state" : "Affected",
    "package_name" : "mod_http2.so",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-48913\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48913\nhttps://httpd.apache.org/security/vulnerabilities_24.html" ],
  "name" : "CVE-2026-48913",
  "mitigation" : {
    "value" : "To mitigate this issue, disable the `mod_http2` module if HTTP/2 protocol support is not required. This can be achieved by commenting out or removing the `LoadModule http2_module modules/mod_http2.so` line in the Apache HTTP Server configuration file (e.g., `/etc/httpd/conf.modules.d/00-base.conf` or similar). \nAfter modifying the configuration, the httpd service must be restarted for the changes to take effect. This action may impact services relying on HTTP/2.",
    "lang" : "en:us"
  },
  "csaw" : false
}