CVE-2021-26690

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Source
https://cve.org/CVERecord?id=CVE-2021-26690
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26690.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-26690
Aliases
Downstream
Related
Published
2021-06-10T07:15:07Z
Modified
2026-07-07T08:50:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "9.0"
                },
                {
                    "last_affected":  "9.0"
                },
                {
                    "introduced":  "10.0"
                },
                {
                    "last_affected":  "10.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "34"
                },
                {
                    "last_affected":  "34"
                },
                {
                    "introduced":  "35"
                },
                {
                    "last_affected":  "35"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "12.4.0.0"
                },
                {
                    "last_affected":  "12.4.0.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:enterprise_manager_ops_center"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*",
                "cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*",
                "cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "17.1"
                },
                {
                    "last_affected":  "17.1"
                },
                {
                    "introduced":  "17.2"
                },
                {
                    "last_affected":  "17.2"
                },
                {
                    "introduced":  "17.3"
                },
                {
                    "last_affected":  "17.3"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:instantis_enterprisetrack"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.8"
                },
                {
                    "last_affected":  "8.8"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:zfs_storage_appliance_kit"
        }
    ]
}
References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Introduced
da5873e80d6eee7a0838793bf68f1d0254745fbb
Last Affected
8064ccc50bffe86ad464246b9bfac7d78d7dbc1f
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.4.0"
        },
        {
            "last_affected":  "2.4.46"
        }
    ],
    "source":  "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26690.json"