CVE-2018-5092 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free8 documents5 sources
Severity
9.8CRITICALNVD
EPSS
1.8%
top 17.31%
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 use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.

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 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-v882-4x77-33qp: A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread w↗2022-05-14
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OSV
firefox regressions↗2018-02-12
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OSV
firefox vulnerabilities↗2018-01-24
▶
OSV
CVE-2018-5092: A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread w↗2018-01-23
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📋Vendor Advisories

3
Ubuntu
Firefox regressions↗2018-02-12
▶
Ubuntu
Firefox vulnerabilities↗2018-01-24
▶
Debian
CVE-2018-5092: firefox - A use-after-free vulnerability can occur when the thread for a Web Worker is fre...↗2018
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