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libcommons-compress-java — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2021-35517

When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package.

Products
libcommons-compress-java
Affected versions
Not specified
Fixed versions
1.21-1
CVEs
CVE-2021-35517
Confirmed fixed CVEs
Not specified
Updated in this feed
28 Oct 2026, 11:08 UTC · Revision 1

Source evidence

DEBIAN-CVE-2021-35517

core-osv · Original source

Published 13 Jul 2021, 08:15 UTC

When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package.

osv:DEBIAN-CVE-2021-35517

libcommons-compress-java

Fixed versions: 1.21-1

libcommons-compress-java

Fixed versions: 1.21-1

libcommons-compress-java

Fixed versions: 1.21-1

Complete source record
{
  "id": "52042c6db98c9b0856d61bfdc21df41c1645da5876c409383afb63315ae0a620",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-35517",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2021-35517",
    "summary": "When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package.",
    "evidence": "osv:DEBIAN-CVE-2021-35517",
    "products": [
      {
        "name": {
          "value": "libcommons-compress-java",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.21-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libcommons-compress-java",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.21-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libcommons-compress-java",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.21-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2021-35517",
      "aliases": [
        "DEBIAN-CVE-2021-35517"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "libcommons-compress-java",
            "purl": "pkg:deb/debian/libcommons-compress-java?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-35517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "libcommons-compress-java",
            "purl": "pkg:deb/debian/libcommons-compress-java?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-35517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "libcommons-compress-java",
            "purl": "pkg:deb/debian/libcommons-compress-java?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-35517.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-09T09:47:31.485884642Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-35517"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2021-35517"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-35517",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 111613,
  "published_at": "2021-07-13T08:15:07.22+00:00"
}