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.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49286.json",
"cwe_ids": [
"CWE-253",
"CWE-617"
],
"cna_assigner": "GitHub_M"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "6.4"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
],
"cpe": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*"
}[
{
"id": "CVE-2023-49286-6d6b339b",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"168910324942989199999064472920978860794",
"31642949536680690415551713800936403591",
"196349303231352603213409180699614452763",
"166047664784494259026418673057741521309",
"259903887090428379696619366389585289717",
"141707226928726948943079524320221291185",
"75344335701222699619018925119922941416",
"232938750511746159368728538951421339862",
"172227612778647138303649007557305363154",
"57615831552351590610481538051244301752",
"21764096525914819630222744744340056374",
"112484087258599813274648459817230629483",
"151096893578886850320727613521577257913",
"143027954331363495569235615432303115011",
"317534407961939567772635454214246440250",
"163546160132567331067280241624989547118"
]
},
"target": {
"file": "src/ipc.cc"
},
"deprecated": false,
"signature_version": "v1",
"source": "https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-49286.json"
"2026-06-16T01:55:10Z"