CVE-2021-28662

An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.

References

Affected packages

Git / github.com/squid-cache/squid

Affected ranges

Type

GIT

Repo

https://github.com/squid-cache/squid

Events

Introduced

1243ec712bf76c549ba7f48fcdc30d98ce550449

Fixed

648729b05673c6166c5d91c6ee4cda30cc164839

Introduced

Last affected

0f67e2aac4a27d0c5ffbfa1dcd89d8abbc7175a7

Fixed

051824924c709bd6162a378f746fb859454c674e

Database specific

{
    "versions": [
        {
            "introduced": "4.0.1"
        },
        {
            "fixed": "4.15"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "33"
        }
    ]
}

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "246787021619791419152269128153398552627",
                "137540088876487517479355767659710642705",
                "2037448173086037427154046699180625686",
                "111963318781500401476263553951823657637"
            ]
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2021-28662-ac67f9e9",
        "target": {
            "file": "src/http/RegisteredHeaders.cc"
        },
        "source": "https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454c674e"
    },
    {
        "digest": {
            "length": 211.0,
            "function_hash": "213594514490356346423760141520931754203"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2021-28662-b5ea6bf5",
        "target": {
            "function": "HeaderLookupTable_t::lookup",
            "file": "src/http/RegisteredHeaders.cc"
        },
        "source": "https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454c674e"
    }
]

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "5.0"
            },
            {
                "fixed": "5.0.6"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28662.json"