UnratedFix available
Fix CVE(s): CVE-2026-47729, CVE-2026-50012
Type: advisorySources: OSV
* SECURITY UPDATE: out-of-bounds read in FTP gateway listing parser - debian/patches/CVE-2026-47729.patch: guard against a NUL byte before strchr() in ftpListParseParts, preventing an out-of-bounds read that could disclose memory from unrelated transactions - CVE-2026-47729 * SECURITY UPDATE: heap buffer overflow in cache digest handling - debian/patches/CVE-2026-50012.patch: bound the mask copy in peerDigestSwapInMask so an on-the-wire payload larger than the advertised mask size cannot overflow the heap buffer - CVE-2026-50012
- Products
- squid, squid-cgi, squid-common, squid-purge, squid3, squidclient
- Affected versions
- Not specified
- Fixed versions
- 3.5.27-1ubuntu1.14+tuxcare.els12
- CVEs
- CVE-2026-47729, CVE-2026-50012
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:44 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-47729, CVE-2026-50012
core-osv · Original sourcePublished 23 Jul 2026, 10:04 UTC
* SECURITY UPDATE: out-of-bounds read in FTP gateway listing parser - debian/patches/CVE-2026-47729.patch: guard against a NUL byte before strchr() in ftpListParseParts, preventing an out-of-bounds read that could disclose memory from unrelated transactions - CVE-2026-47729 * SECURITY UPDATE: heap buffer overflow in cache digest handling - debian/patches/CVE-2026-50012.patch: bound the mask copy in peerDigestSwapInMask so an on-the-wire payload larger than the advertised mask size cannot overflow the heap buffer - CVE-2026-50012
osv:CLSA-2026-1784801011
squid
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
squid-cgi
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
squid-common
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
squid-purge
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
squid3
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
squidclient
Fixed versions: 3.5.27-1ubuntu1.14+tuxcare.els12
Complete source record
{
"id": "5eea823f3e2388a060319686190c709aa573222f1070e98a550e58244a180759",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784801011",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-47729, CVE-2026-50012",
"summary": "* SECURITY UPDATE: out-of-bounds read in FTP gateway listing parser - debian/patches/CVE-2026-47729.patch: guard against a NUL byte before strchr() in ftpListParseParts, preventing an out-of-bounds read that could disclose memory from unrelated transactions - CVE-2026-47729 * SECURITY UPDATE: heap buffer overflow in cache digest handling - debian/patches/CVE-2026-50012.patch: bound the mask copy in peerDigestSwapInMask so an on-the-wire payload larger than the advertised mask size cannot overflow the heap buffer - CVE-2026-50012",
"evidence": "osv:CLSA-2026-1784801011",
"products": [
{
"name": {
"value": "squid",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid-cgi",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid-common",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid-purge",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid3",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squidclient",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.27-1ubuntu1.14+tuxcare.els12",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784801011",
"aliases": [
"CLSA-2026-1784801011"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squid",
"purl": "pkg:deb/tuxcare/squid?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squid-cgi",
"purl": "pkg:deb/tuxcare/squid-cgi?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squid-common",
"purl": "pkg:deb/tuxcare/squid-common?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squid-purge",
"purl": "pkg:deb/tuxcare/squid-purge?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squid3",
"purl": "pkg:deb/tuxcare/squid3?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+tuxcare.els12"
}
]
}
],
"package": {
"name": "squidclient",
"purl": "pkg:deb/tuxcare/squidclient?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784801011.json"
}
}
],
"modified": "2026-10-26T09:30:42.798568045Z",
"provider": "osv",
"upstream": [
"CVE-2026-47729",
"CVE-2026-50012"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1784801011.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-47729",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50012"
]
},
"related_cves": [
{
"value": "CVE-2026-47729",
"evidence": "/upstream"
},
{
"value": "CVE-2026-50012",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447188,
"published_at": "2026-07-23T10:04:01+00:00"
}