CVE-2018-5094 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer8 documents5 sources
Severity
7.5HIGHNVD
OSV9.8
EPSS
35.4%
top 2.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedJun 11
Latest updateMay 14

Description

A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uninitialized. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/firefox< firefox 58.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 58
▶Ubuntumozilla/firefox< 58.0.2+build1-0ubuntu0.14.04.1+4
▶NVDmozilla/firefox57.0.4

Also affects: Ubuntu Linux 14.04, 16.04, 17.10

🔴Vulnerability Details

4
GHSA
GHSA-63jx-r2g4-24w2: A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uni↗2022-05-14
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OSV
firefox regressions↗2018-02-12
▶
OSV
firefox vulnerabilities↗2018-01-24
▶
OSV
CVE-2018-5094: A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uni↗2018-01-23
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📋Vendor Advisories

3
Ubuntu
Firefox regressions↗2018-02-12
▶
Ubuntu
Firefox vulnerabilities↗2018-01-24
▶
Debian
CVE-2018-5094: firefox - A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElemen...↗2018
▶