{
  "cveId": "CVE-2021-43299",
  "url": "https://patchblox.com/security/cve/CVE-2021-43299",
  "summary": "CVE-2021-43299 is fixed in 18 products on 1 platform, first by DEBIAN-CVE-2021-43299, released February 16, 2022. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "ring: Stack overflow in PJSUA API when calling pjsua_player_create",
  "description": "Stack overflow in PJSUA API when calling pjsua_player_create. An attacker-controlled \u0027filename\u0027 argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.",
  "published": "2022-02-16T13:15:00Z",
  "severity": "critical",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.02493,
  "epssPercentile": 0.84756,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "asterisk",
      "release": "Debian 14",
      "fixedVersion": "1:18.11.1~dfsg\u002B~cs6.10.40431413-1",
      "fix": "DEBIAN-CVE-2021-43299",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43299",
      "released": "2022-02-16T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "jami",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "fix": "jami 20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-jami-20190215.1.f152c98-ds1-1-deb10u2build0.20.04.1",
      "released": "2023-03-14T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "jami-daemon",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "fix": "jami-daemon 20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-jami-daemon-20190215.1.f152c98-ds1-1-deb10u2build0.20.04.1",
      "released": "2023-03-14T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libpj2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpj2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpj2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjlib-util2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjlib-util2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjlib-util2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjmedia-audiodev2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjmedia-audiodev2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjmedia-audiodev2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjmedia-codec2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjmedia-codec2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjmedia-codec2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjmedia-videodev2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjmedia-videodev2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjmedia-videodev2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjmedia2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjmedia2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjmedia2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjnath2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjnath2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjnath2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjsip-simple2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjsip-simple2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjsip-simple2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjsip-ua2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjsip-ua2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjsip-ua2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjsip2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjsip2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjsip2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjsua2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjsua2 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjsua2-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libpjsua2-2v5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "libpjsua2-2v5 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpjsua2-2v5-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python-pjproject",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.7.2~dfsg-1ubuntu0.1~esm1",
      "fix": "python-pjproject 2.7.2~dfsg-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-pjproject-2.7.2-dfsg-1ubuntu0.1-esm1",
      "released": "2026-02-11T13:16:00Z"
    },
    {
      "platform": "linux",
      "product": "ring",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "20230206.0~ds1-1",
      "fix": "DEBIAN-CVE-2021-43299",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43299",
      "released": "2022-02-16T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "ring",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "20180228.1.503da2b~ds1-1ubuntu0.1~esm1",
      "fix": "ring 20180228.1.503da2b~ds1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ring-20180228.1.503da2b-ds1-1ubuntu0.1-esm1",
      "released": "2023-03-14T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ring",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "fix": "ring 20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ring-20190215.1.f152c98-ds1-1-deb10u2build0.20.04.1",
      "released": "2023-03-14T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ring-daemon",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "20180228.1.503da2b~ds1-1ubuntu0.1~esm1",
      "fix": "ring-daemon 20180228.1.503da2b~ds1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ring-daemon-20180228.1.503da2b-ds1-1ubuntu0.1-esm1",
      "released": "2023-03-14T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ring-daemon",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "fix": "ring-daemon 20190215.1.f152c98~ds1-1\u002Bdeb10u2build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ring-daemon-20190215.1.f152c98-ds1-1-deb10u2build0.20.04.1",
      "released": "2023-03-14T10:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}