ubuntu-cve-2021-44542
Vulnerability from osv_ubuntu
Published
2021-12-23 20:15
Modified
2025-07-16 04:57
Summary
Details

A memory leak vulnerability was found in Privoxy when handling errors.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "privoxy",
            "binary_version": "3.0.33-1"
          },
          {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.33-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "privoxy",
        "purl": "pkg:deb/ubuntu/privoxy@3.0.33-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.33-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.32-2",
        "3.0.32-3"
      ]
    }
  ],
  "aliases": [],
  "details": "A memory leak vulnerability was found in Privoxy when handling errors.",
  "id": "UBUNTU-CVE-2021-44542",
  "modified": "2025-07-16T04:57:38Z",
  "published": "2021-12-23T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-44542"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2021/12/09/1"
    },
    {
      "type": "REPORT",
      "url": "https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=c48d1d6d08"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-44542"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-44542"
  ],
  "withdrawn": "2025-07-18T16:47:03Z"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.