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Vulnerability details: VCID-3b5r-dd5b-aaah
Vulnerability ID VCID-3b5r-dd5b-aaah
Aliases CVE-2018-12406
Summary Mozilla developers and community members reported memory safety bugs present in Firefox 63. 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 < 64.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-185 Incorrect Regular Expression
CWE-787 Out-of-bounds Write
CWE-125 Out-of-bounds Read
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12406.html
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12406.json
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rhbs urgent https://bugzilla.redhat.com/show_bug.cgi?id=1692732
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12406
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12406
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12406
archlinux Critical https://security.archlinux.org/AVG-833
generic_textual Low https://ubuntu.com/security/notices/USN-3844-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3844-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-12406
generic_textual Medium https://www.mozilla.org/security/advisories/mfsa2018-29/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12406.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12406.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12406
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456947%2C1475669%2C1504816%2C1502886%2C1500064%2C1500310%2C1500696%2C1499198%2C1434490%2C1481745%2C1458129
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12406
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-3844-1
https://usn.ubuntu.com/3844-1/
https://usn.ubuntu.com/usn/usn-3844-1
https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-12406
https://www.mozilla.org/security/advisories/mfsa2018-29/
http://www.securityfocus.com/bid/106167
1692732 https://bugzilla.redhat.com/show_bug.cgi?id=1692732
ASA-201812-9 https://security.archlinux.org/ASA-201812-9
AVG-833 https://security.archlinux.org/AVG-833
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:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
CVE-2018-12406 https://nvd.nist.gov/vuln/detail/CVE-2018-12406
mfsa2018-29 https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12406.json
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12406
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:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12406
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 0.56529
EPSS Score 0.00379
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.