CVE-2019-9793 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox
Severity
5.9MEDIUMNVD
OSV9.8
EPSS
0.4%
top 39.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 26
Latest updateMay 24
Description
A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. *Note: Spectre mitigations are currently enabled for all users by default settings.*. This vulnerability a…
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 2.2 | Impact: 3.6
Affected Packages12 packages
🔴Vulnerability Details
7GHSA▶
GHSA-w86v-mv97-qh72: A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled↗2022-05-24
OSV▶
CVE-2019-9793: A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled↗2019-04-26