The vulnerability of the IonMonkey JavaScript compiler for Firefox and Firefox ESR browsers lies in a type conversion error, which allows attackers to compromise the integrity of protected data.
🗓️ 25 Apr 2019 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 18 Views
| Reporter | Title | Published | Views | Family All 182 |
|---|---|---|---|---|
 | mozilla -- multiple vulnerabilities | 19 Mar 201900:00 | – | freebsd |
 | Spidermonkey - IonMonkey Type Inference is Incorrect for Constructors Entered via OSR | 27 Mar 201900:00 | – | zdt |
 | Security fix for the ALT Linux 10 package firefox-esr version 60.6.0-alt1 | 21 Mar 201900:00 | – | altlinux |
| Security fix for the ALT Linux 10 package thunderbird version 60.6.0-alt1 | 21 Mar 201900:00 | – | altlinux |
 | Mozilla Firefox < 66.0 Multiple Vulnerabilities | 29 Mar 201900:00 | – | nessus |
| Amazon Linux 2 : thunderbird (ALAS-2019-1195) | 26 Apr 201900:00 | – | nessus |
| CentOS 8 : firefox (CESA-2019:0966) | 29 Jan 202100:00 | – | nessus |
| CentOS 7 : firefox (CESA-2019:0622) | 25 Mar 201900:00 | – | nessus |
| CentOS 6 : firefox (CESA-2019:0623) | 25 Mar 201900:00 | – | nessus |
| CentOS 6 : thunderbird (CESA-2019:0680) | 2 Apr 201900:00 | – | nessus |
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26 Nov 2025 00:00Current
7.5High risk
Vulners AI Score7.5
CVSS 24.4
CVSS 38.8
EPSS0.19762