The vulnerability of the Just-In-Time (JIT) compiler of IonMonkey in web browsers Firefox, Firefox ESR, and the email processing program Thunderbird, related to data writing beyond buffer boundaries, allows an attacker to trigger a service failure.
🗓️ 25 Apr 2019 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
| Reporter | Title | Published | Views | Family All 174 |
|---|---|---|---|---|
 | mozilla -- multiple vulnerabilities | 19 Mar 201900:00 | – | freebsd |
 | Spidermonkey IonMonkey JS_OPTIMIZED_OUT Value Leak Exploit | 28 May 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
7.1High risk
Vulners AI Score7.1
CVSS 26.8
CVSS 38.8
EPSS0.13197