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Improper Input Validation The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)

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EPSS
35% (97th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-578952
  • published9 Oct 2018
  • disclosed18 Oct 2018
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Introduced: 9 Oct 2018

CVE-2018-12387  (opens in a new tab)
CWE-20  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu.

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.