CVE-2021-31807

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Source
https://cve.org/CVERecord?id=CVE-2021-31807
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31807.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-31807
Aliases
Downstream
Related
Published
2021-06-08T20:15:09.057Z
Modified
2026-07-08T06:50:07.178850323Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "33"
                },
                {
                    "last_affected": "33"
                },
                {
                    "introduced": "34"
                },
                {
                    "last_affected": "34"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora"
        },
        {
            "cpes": [
                "cpe:2.3:a:squid-cache:squid:2.5.stable10:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable11:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable12:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable13:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable14:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable2:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable3:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable4:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable5:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable6:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable7:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable8:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.5.stable9:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.6:*:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:-:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:*",
                "cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "2.5.stable2"
                },
                {
                    "last_affected": "2.5.stable2"
                },
                {
                    "introduced": "2.5.stable3"
                },
                {
                    "last_affected": "2.5.stable3"
                },
                {
                    "introduced": "2.5.stable4"
                },
                {
                    "last_affected": "2.5.stable4"
                },
                {
                    "introduced": "2.5.stable5"
                },
                {
                    "last_affected": "2.5.stable5"
                },
                {
                    "introduced": "2.5.stable6"
                },
                {
                    "last_affected": "2.5.stable6"
                },
                {
                    "introduced": "2.5.stable7"
                },
                {
                    "last_affected": "2.5.stable7"
                },
                {
                    "introduced": "2.5.stable8"
                },
                {
                    "last_affected": "2.5.stable8"
                },
                {
                    "introduced": "2.5.stable9"
                },
                {
                    "last_affected": "2.5.stable9"
                },
                {
                    "introduced": "2.5.stable10"
                },
                {
                    "last_affected": "2.5.stable10"
                },
                {
                    "introduced": "2.5.stable11"
                },
                {
                    "last_affected": "2.5.stable11"
                },
                {
                    "introduced": "2.5.stable12"
                },
                {
                    "last_affected": "2.5.stable12"
                },
                {
                    "introduced": "2.5.stable13"
                },
                {
                    "last_affected": "2.5.stable13"
                },
                {
                    "introduced": "2.5.stable14"
                },
                {
                    "last_affected": "2.5.stable14"
                },
                {
                    "introduced": "2.6"
                },
                {
                    "last_affected": "2.6"
                },
                {
                    "introduced": "2.7-NA"
                },
                {
                    "last_affected": "2.7-NA"
                },
                {
                    "introduced": "2.7-stable2"
                },
                {
                    "last_affected": "2.7-stable2"
                },
                {
                    "introduced": "2.7-stable3"
                },
                {
                    "last_affected": "2.7-stable3"
                },
                {
                    "introduced": "2.7-stable4"
                },
                {
                    "last_affected": "2.7-stable4"
                },
                {
                    "introduced": "2.7-stable5"
                },
                {
                    "last_affected": "2.7-stable5"
                },
                {
                    "introduced": "2.7-stable6"
                },
                {
                    "last_affected": "2.7-stable6"
                },
                {
                    "introduced": "2.7-stable7"
                },
                {
                    "last_affected": "2.7-stable7"
                },
                {
                    "introduced": "2.7-stable8"
                },
                {
                    "last_affected": "2.7-stable8"
                },
                {
                    "introduced": "2.7-stable9"
                },
                {
                    "last_affected": "2.7-stable9"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "squid-cache:squid"
        }
    ]
}
References

Affected packages

Git / github.com/squid-cache/squid

Affected ranges

Type
GIT
Repo
https://github.com/squid-cache/squid
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
648729b05673c6166c5d91c6ee4cda30cc164839
Fixed
1521895e24671463bf590cabcdbd2acf637ed2c1
Database specific 
{
    "extracted_events": [
        {
            "introduced": "3.0"
        },
        {
            "fixed": "4.15"
        },
        {
            "introduced": "5.0"
        },
        {
            "fixed": "5.0.6"
        }
    ],
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*"
}

Affected versions

Other
HISTORIC_RELEASES
M-staged-PR161
M-staged-PR164
M-staged-PR170
M-staged-PR176
M-staged-PR179
M-staged-PR181
M-staged-PR182
M-staged-PR186
M-staged-PR189
M-staged-PR193
M-staged-PR195
M-staged-PR196
M-staged-PR198
M-staged-PR199
M-staged-PR200
M-staged-PR202
M-staged-PR206
M-staged-PR208
M-staged-PR209
M-staged-PR210
M-staged-PR218
M-staged-PR220
M-staged-PR221
M-staged-PR225
M-staged-PR227
M-staged-PR229
M-staged-PR230
M-staged-PR235
M-staged-PR237
M-staged-PR238
M-staged-PR239
M-staged-PR241
M-staged-PR242
M-staged-PR252
M-staged-PR255
M-staged-PR258
M-staged-PR264
M-staged-PR266
M-staged-PR267
M-staged-PR268
M-staged-PR274
M-staged-PR276
M-staged-PR293
M-staged-PR294
M-staged-PR295
M-staged-PR299
M-staged-PR306
M-staged-PR314
M-staged-PR319
M-staged-PR342
M-staged-PR345
M-staged-PR348
M-staged-PR351
M-staged-PR359
M-staged-PR364
M-staged-PR365
M-staged-PR366
M-staged-PR370
M-staged-PR372
M-staged-PR373
M-staged-PR375
M-staged-PR376
SQUID_3_0_PRE1
SQUID_3_0_PRE2
SQUID_3_0_PRE3
SQUID_3_0_PRE4
SQUID_3_0_PRE5
SQUID_3_0_PRE6
SQUID_3_0_PRE7
SQUID_3_0_RC1
SQUID_3_5_27
SQUID_4_0_1
SQUID_4_0_10
SQUID_4_0_11
SQUID_4_0_12
SQUID_4_0_13
SQUID_4_0_14
SQUID_4_0_15
SQUID_4_0_16
SQUID_4_0_17
SQUID_4_0_18
SQUID_4_0_19
SQUID_4_0_2
SQUID_4_0_20
SQUID_4_0_21
SQUID_4_0_22
SQUID_4_0_23
SQUID_4_0_24
SQUID_4_0_25
SQUID_4_0_3
SQUID_4_0_4
SQUID_4_0_5
SQUID_4_0_6
SQUID_4_0_7
SQUID_4_0_8
SQUID_4_0_9
SQUID_4_1
SQUID_4_10
SQUID_4_11
SQUID_4_12
SQUID_4_13
SQUID_4_14
SQUID_4_2
SQUID_4_3
SQUID_4_4
SQUID_4_5
SQUID_4_6
SQUID_4_7
SQUID_4_8
SQUID_4_9
SQUID_5_0_1
SQUID_5_0_2
SQUID_5_0_3
SQUID_5_0_4
SQUID_5_0_5
take00

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31807.json"