CVE-2019-9795 — Reachable Assertion in Mozilla Firefox
CWE-617 — Reachable AssertionCWE-843 — Type ConfusionCWE-787 — Out-of-bounds Write16 documents7 sources
Severity
9.8CRITICALNVD
OSV5.9
EPSS
0.7%
top 27.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 26
Latest updateMay 24
Description
A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages12 packages
🔴Vulnerability Details
7GHSA▶
GHSA-r8xc-5v3r-xg8r: A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a poten↗2022-05-24
OSV▶
CVE-2019-9795: A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a poten↗2019-04-26