CVE-2021-23988

June 24, 2021

Mozilla developers reported memory safety bugs present in Firefox 86. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 87.

Summary:

Mozilla developers reported memory safety bugs present in Firefox 86. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 87.

Reference Links(if available):

  • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1684994%2C1686653
  • https://www.mozilla.org/security/advisories/mfsa2021-10/
  • https://security.gentoo.org/glsa/202104-10

  • 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)

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