CVE-2021-21775

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Summary:

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

Reference Links(if available):

  • https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
  • http://www.openwall.com/lists/oss-security/2021/07/23/1
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
  • https://www.debian.org/security/2021/dsa-4945
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

    Links to Exploits(if available)

  • Available for Amazon Prime