UnratedFix available

DEBIAN-CVE-2026-47321

Type: advisorySource: OSV1 source record

The CompressionFilter class uses ZLib to deflate and inflate data sent and received. When we inflate incoming data, the filter does not control the resulting size, and create a buffer no matter what. Some compressed data may have a compression ration greater than 1 thousand, leading to an exhaustion of the application memory, as we don't control the deflated size. The fix adds such a control by allowing the application developer to provide a fixed size limit, which when reached throws an exception. It also allows the user to provide a compression ratio that should not be exceeded, protected the application from small inflated files that inflate in gigantic files, but with a grace limit for the resulting size (1Mb) to avoid false positive (like a very small file inflating with a high ratio, but resulting with a acceptable size, like a few thousands bytes) For application using this feature, it is highly recommended to create the CompressionFilter and to pass the maximum limit as a forth constructor parameter, maxDecompressedSize: public CompressionFilter(final boolean compressInbound, final boolean compressOutbound, final int compressionLevel, final int maxDecompressedSize)Optionally one can also provide a maxDecompressRatio fifth parameter, and a decompressRatioMinSize sixth parameter to allow small inflated files with a high compression ratio to still be accepted. Here are the additional constructor: public CompressionFilter(final boolean compressInbound, final boolean compr

Announced 21 Sept 2026Group revision 1

Original source ↗

DEBIAN-CVE-2026-47321

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-47321

mina

Source reference: /affected/0/package/name

Affected versions: 1.1.7.dfsg-13
Source reference: /affected/0/versions
1.1.7.dfsg-14
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mina2

Source reference: /affected/1/package/name

Affected versions: 2.2.1-3
Source reference: /affected/1/versions
2.2.1-4
Source reference: /affected/1/versions
2.2.9-1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mina2

Source reference: /affected/2/package/name

Affected versions: 2.2.1-4
Source reference: /affected/2/versions
2.2.9-1
Source reference: /affected/2/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mina2

Source reference: /affected/3/package/name

Affected versions: 2.2.1-4
Source reference: /affected/3/versions
Fixed versions: 2.2.9-1
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "mina",
      "purl": "pkg:deb/debian/mina?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.1.7.dfsg-13",
      "1.1.7.dfsg-14"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "mina2",
      "purl": "pkg:deb/debian/mina2?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "2.2.1-3",
      "2.2.1-4",
      "2.2.9-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "mina2",
      "purl": "pkg:deb/debian/mina2?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "2.2.1-4",
      "2.2.9-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "2.2.9-1"
          }
        ]
      }
    ],
    "package": {
      "name": "mina2",
      "purl": "pkg:deb/debian/mina2?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "2.2.1-4"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #56594 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 16:43:37 GMT
Publisher date: Mon, 21 Sep 2026 08:16:37 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-47321 · Revision 1Source updated