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Red Hat: CVE-2021-38509: CVE-2021-38509 Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (Multiple Advisories)

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Red Hat: CVE-2021-38509: CVE-2021-38509 Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
11/03/2021
Created
11/10/2021
Added
11/09/2021
Modified
12/15/2023

Description

Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Solution(s)

  • redhat-upgrade-firefox
  • redhat-upgrade-firefox-debuginfo
  • redhat-upgrade-firefox-debugsource
  • redhat-upgrade-thunderbird
  • redhat-upgrade-thunderbird-debuginfo
  • redhat-upgrade-thunderbird-debugsource

References

  • DSA-5026
  • DSA-5034
  • CVE-2021-38509
  • RHSA-2021:4116
  • RHSA-2021:4123
  • RHSA-2021:4130
  • RHSA-2021:4132
  • RHSA-2021:4133
  • RHSA-2021:4134
  • RHSA-2021:4605
  • RHSA-2021:4607
View more

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