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Vulnerability details: VCID-5usp-xmqd-aaab
Vulnerability ID VCID-5usp-xmqd-aaab
Aliases CVE-2018-5126
Summary Memory safety bugs were reported in Firefox 58. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 59.
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-2018-5126.html
epss 0.00532 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
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epss 0.00584 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
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epss 0.04124 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
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epss 0.04124 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
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epss 0.04124 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
epss 0.07653 https://api.first.org/data/v1/epss?cve=CVE-2018-5126
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5126
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5126
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-5126
generic_textual Low https://ubuntu.com/security/notices/USN-3596-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3596-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5126.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5126
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1433671%2C1414768%2C1416523%2C1425691%2C1441006%2C1429768%2C1426002%2C1297740%2C1435566%2C1432855%2C1442318%2C1421963%2C1422631%2C1426603%2C1404297%2C1425257%2C1373934%2C1423173%2C1416940
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5126
https://ubuntu.com/security/notices/USN-3596-1
https://usn.ubuntu.com/3596-1/
https://usn.ubuntu.com/usn/usn-3596-1
https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
https://www.mozilla.org/security/advisories/mfsa2018-06/
http://www.securityfocus.com/bid/103386
http://www.securitytracker.com/id/1040514
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-2018-5126 https://nvd.nist.gov/vuln/detail/CVE-2018-5126
mfsa2018-06 https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
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-2018-5126
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-2018-5126
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 0.76940
EPSS Score 0.00532
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.