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Vulnerability details: VCID-u1fz-z2bs-aaaf
Vulnerability ID VCID-u1fz-z2bs-aaaf
Aliases CVE-2018-5094
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5094.html
epss 0.00916 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.00916 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.00916 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.00916 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.03620 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.43913 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.49655 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
epss 0.55542 https://api.first.org/data/v1/epss?cve=CVE-2018-5094
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5094
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-5094
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5094
generic_textual Low https://ubuntu.com/security/notices/USN-3544-1
generic_textual Medium https://usn.ubuntu.com/usn/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-2018-5094.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5094
https://bugzilla.mozilla.org/show_bug.cgi?id=1415883
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5094
https://ubuntu.com/security/notices/USN-3544-1
https://usn.ubuntu.com/3544-1/
https://usn.ubuntu.com/usn/usn-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-2018-5094 https://nvd.nist.gov/vuln/detail/CVE-2018-5094
mfsa2018-02 https://www.mozilla.org/en-US/security/advisories/mfsa2018-02
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5094
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5094
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 0.82639
EPSS Score 0.00916
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.