CVE-2020-12387

Summary

CVECVE-2020-12387
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-05-26 18:15:00 UTC
Updated2021-12-14 20:23:00 UTC
DescriptionA race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Risk And Classification

Problem Types: CWE-362 | CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Thunderbird All All All All
Application Mozilla Thunderbird All All All All

References

ReferenceSourceLinkTags
USN-4373-1: Thunderbird vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
Security Vulnerabilities fixed in Firefox ESR 68.8 — Mozilla MISC www.mozilla.org Third Party Advisory
Security Vulnerabilities fixed in Firefox 76 — Mozilla MISC www.mozilla.org Third Party Advisory
Access Denied MISC bugzilla.mozilla.org Permissions Required
Mozilla Firefox: Multiple vulnerabilities (GLSA 202005-04) — Gentoo security MISC security.gentoo.org
Security Vulnerabilities fixed in Thunderbird 68.8.0 — Mozilla MISC www.mozilla.org Third Party Advisory
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202005-03) — Gentoo security MISC security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296074 Oracle Solaris 11.4 Support Repository Update (SRU) 22.69.4 Missing (CPUAPR2020)
  • 376945 Alibaba Cloud Linux Security Update for firefox (ALINUX2-SA-2020:0093)
  • 500930 Alpine Linux Security Update for firefox-esr
  • 500949 Alpine Linux Security Update for firefox
  • 501078 Alpine Linux Security Update for mozjs68
  • 502374 Alpine Linux Security Update for thunderbird
  • 503834 Alpine Linux Security Update for firefox
  • 505442 Alpine Linux Security Update for thunderbird
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