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 while cancelling fetch operations. This vulnerability affects Firefox < 58.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
VendorProductVersion
mozillafirefox
𝑥
≤ 57.0.4
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
Fixed 59.0.1+build1-0ubuntu1
released
artful
Fixed 58.0+build6-0ubuntu0.17.10.1
released
xenial
Fixed 58.0+build6-0ubuntu0.16.04.1
released
trusty
Fixed 58.0+build6-0ubuntu0.14.04.1
released
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/102786
http://www.securitytracker.com/id/1040270
https://bugzilla.mozilla.org/show_bug.cgi?id=1418074
https://usn.ubuntu.com/3544-1/
https://www.mozilla.org/security/advisories/mfsa2018-02/
http://www.securityfocus.com/bid/102786
http://www.securitytracker.com/id/1040270
https://bugzilla.mozilla.org/show_bug.cgi?id=1418074
https://usn.ubuntu.com/3544-1/
https://www.mozilla.org/security/advisories/mfsa2018-02/