Search for vulnerabilities
Vulnerability details: VCID-ehmq-yv7s-yye8
Vulnerability ID VCID-ehmq-yv7s-yye8
Aliases CVE-2018-12911
Summary WebKitGTK+ 2.20.3 has an off-by-one error, with a resultant out-of-bounds write, in the get_simple_globs functions in ThirdParty/xdgmime/src/xdgmimecache.c and ThirdParty/xdgmime/src/xdgmimeglob.c.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
epss 0.00518 https://api.first.org/data/v1/epss?cve=CVE-2018-12911
cvssv3 5.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12911
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12911
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-12911
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12911
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://trac.webkit.org/changeset/233404/webkit
cpe:2.3:a:webkitgtk:webkitgtk\+:2.20.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webkitgtk:webkitgtk\+:2.20.3:*:*:*:*:*:*:*
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:*:*:*
CVE-2018-12911 https://nvd.nist.gov/vuln/detail/CVE-2018-12911
USN-3743-1 https://usn.ubuntu.com/3743-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L 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:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12911
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-2018-12911
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 0.65767
EPSS Score 0.00518
Published At Aug. 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:02.791578+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3743-1/ 37.0.0