ISOMAN

CVE

CVE-2020-6807

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

Severity
HIGH
CVSS
8.8
Published
Modified

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1614971
  2. https://usn.ubuntu.com/4328-1/
  3. https://usn.ubuntu.com/4335-1/
  4. https://www.mozilla.org/security/advisories/mfsa2020-08/
  5. https://www.mozilla.org/security/advisories/mfsa2020-09/
  6. https://www.mozilla.org/security/advisories/mfsa2020-10/
  7. https://bugzilla.mozilla.org/show_bug.cgi?id=1614971
  8. https://usn.ubuntu.com/4328-1/
  9. https://usn.ubuntu.com/4335-1/
  10. https://www.mozilla.org/security/advisories/mfsa2020-08/
  11. https://www.mozilla.org/security/advisories/mfsa2020-09/
  12. https://www.mozilla.org/security/advisories/mfsa2020-10/