CVE-2023-49286

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-49286
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-49286.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-49286
Aliases
  • GHSA-xggx-9329-3c27
Downstream
Related
Published
2023-12-04T22:53:44Z
Modified
2025-10-30T20:23:27.583458Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
Denial of Service in Helper Process management
Details

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Database specific 
{
    "cwe_ids": [
        "CWE-253",
        "CWE-617"
    ]
}
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
03c8a93e863f873b5d6ff45adb786db447cabcd6

Affected versions

4.*

4.15-20210522-snapshot
4.15-20210523-snapshot
4.15-20210524-snapshot
4.15-20210525-snapshot
4.15-20210527-snapshot

5.*

5.0.6-20210522-snapshot
5.0.6-20210523-snapshot
5.0.6-20210524-snapshot
5.0.6-20210525-snapshot
5.0.6-20210527-snapshot

6.*

6.0.0-20210522-master-snapshot
6.0.0-20210523-master-snapshot
6.0.0-20210524-master-snapshot
6.0.0-20210525-master-snapshot
6.0.0-20210527-master-snapshot

Other

BASIC_TPROXY4
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_2
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_6_0_1
SQUID_6_0_2
SQUID_6_0_3
SQUID_6_1
SQUID_6_2
SQUID_6_3
SQUID_6_4
for-libecap-v0p1
merge-candidate-3-v1
merge-candidate-3-v2
sourceformat-review-1
take00
take01
take02
take03
take04
take06
take07
take08
take09
take1
take2

BumpSslServerFirst.*

BumpSslServerFirst.take01
BumpSslServerFirst.take02
BumpSslServerFirst.take03
BumpSslServerFirst.take04
BumpSslServerFirst.take05
BumpSslServerFirst.take06
BumpSslServerFirst.take07
BumpSslServerFirst.take08
BumpSslServerFirst.take09
BumpSslServerFirst.take10

Database specific

vanir_signatures

[
    {
        "id": "CVE-2023-49286-a5731322",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "257044594987088765650398720630223476415",
                "67402589260379821383315680181466566587",
                "331359421529674039643518234169489425487",
                "317681953838762131340943365743079298223"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "src/mem/old_api.cc"
        },
        "source": "https://github.com/squid-cache/squid/commit/03c8a93e863f873b5d6ff45adb786db447cabcd6"
    },
    {
        "id": "CVE-2023-49286-ac80c167",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "digest": {
            "function_hash": "286476429438028643895733673882440714010",
            "length": 404.0
        },
        "target": {
            "file": "src/mem/old_api.cc",
            "function": "memConfigure"
        },
        "source": "https://github.com/squid-cache/squid/commit/03c8a93e863f873b5d6ff45adb786db447cabcd6"
    }
]