ISOMAN

CVE

CVE-2020-6806

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption 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
NVD detailAll CVEs

Linked Releases

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

References

  1. http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html
  2. https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
  3. https://usn.ubuntu.com/4328-1/
  4. https://usn.ubuntu.com/4335-1/
  5. https://www.mozilla.org/security/advisories/mfsa2020-08/
  6. https://www.mozilla.org/security/advisories/mfsa2020-09/
  7. https://www.mozilla.org/security/advisories/mfsa2020-10/
  8. http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html
  9. https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
  10. https://usn.ubuntu.com/4328-1/
  11. https://usn.ubuntu.com/4335-1/
  12. https://www.mozilla.org/security/advisories/mfsa2020-08/
  13. https://www.mozilla.org/security/advisories/mfsa2020-09/
  14. https://www.mozilla.org/security/advisories/mfsa2020-10/