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Vulnerability details: VCID-gghk-q4sk-aaac
Vulnerability ID VCID-gghk-q4sk-aaac
Aliases CVE-2018-5092
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5092.html
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epss 0.08118 https://api.first.org/data/v1/epss?cve=CVE-2018-5092
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5092
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5092
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-5092
generic_textual Low https://ubuntu.com/security/notices/USN-3544-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-02
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5092.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5092
https://bugzilla.mozilla.org/show_bug.cgi?id=1418074
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5092
https://ubuntu.com/security/notices/USN-3544-1
https://usn.ubuntu.com/3544-1/
https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/
https://www.mozilla.org/security/advisories/mfsa2018-02/
http://www.securityfocus.com/bid/102786
http://www.securitytracker.com/id/1040270
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
CVE-2018-5092 https://nvd.nist.gov/vuln/detail/CVE-2018-5092
mfsa2018-02 https://www.mozilla.org/en-US/security/advisories/mfsa2018-02
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5092
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5092
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.77622
EPSS Score 0.00564
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.