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UnratedFix available

squid: Fix of 2 CVEs

Type: advisorySources: OSV

- CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling (peerDigestSwapInMask) by bounding mask data against the declared mask_size

Products
squid, squid-migration-script, squid-sysvinit
Affected versions
Not specified
Fixed versions
7:3.5.20-17.0.5.el7_9.99.tuxcare.els7
CVEs
CVE-2026-47729, CVE-2026-50012
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:02 UTC · Revision 1

Source evidence

squid: Fix of 2 CVEs

core-osv · Original source

Published 13 Aug 2026, 12:47 UTC

- CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling (peerDigestSwapInMask) by bounding mask data against the declared mask_size

osv:CLSA-2026-1786353802

squid

Fixed versions: 7:3.5.20-17.0.5.el7_9.99.tuxcare.els7

squid-migration-script

Fixed versions: 7:3.5.20-17.0.5.el7_9.99.tuxcare.els7

squid-sysvinit

Fixed versions: 7:3.5.20-17.0.5.el7_9.99.tuxcare.els7

Complete source record
{
  "id": "34ece92fe2a3b4af9322747a845eff6ccb8bb2b71c4d3d3f23114a5aa1cba00b",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1786353802",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "squid: Fix of 2 CVEs",
    "summary": "- CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling (peerDigestSwapInMask) by bounding mask data against the declared mask_size",
    "evidence": "osv:CLSA-2026-1786353802",
    "products": [
      {
        "name": {
          "value": "squid",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "squid-migration-script",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "squid-sysvinit",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1786353802",
      "aliases": [
        "CLSA-2026-1786353802"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7"
                }
              ]
            }
          ],
          "package": {
            "name": "squid",
            "purl": "pkg:rpm/tuxcare/squid?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786353802.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7"
                }
              ]
            }
          ],
          "package": {
            "name": "squid-migration-script",
            "purl": "pkg:rpm/tuxcare/squid-migration-script?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786353802.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:3.5.20-17.0.5.el7_9.99.tuxcare.els7"
                }
              ]
            }
          ],
          "package": {
            "name": "squid-sysvinit",
            "purl": "pkg:rpm/tuxcare/squid-sysvinit?distro=centos-7",
            "ecosystem": "TuxCare:CentOS:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786353802.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:42.801646643Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-47729",
        "CVE-2026-50012"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1786353802.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": 448207,
  "published_at": "2026-08-13T12:47:28+00:00"
}