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Red Hat: CVE-2021-29945: CVE-2021-29945 Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (Multiple Advisories)

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Red Hat: CVE-2021-29945: CVE-2021-29945 Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
04/26/2021
Created
04/27/2021
Added
04/27/2021
Modified
12/15/2023

Description

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

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

  • CVE-2021-29945
  • RHSA-2021:1350
  • RHSA-2021:1351
  • RHSA-2021:1352
  • RHSA-2021:1353
  • RHSA-2021:1360
  • RHSA-2021:1361
  • RHSA-2021:1362
  • RHSA-2021:1363
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