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Vulnerability details: VCID-sv8m-9tpg-jkf6
Vulnerability ID VCID-sv8m-9tpg-jkf6
Aliases CVE-2018-12293
Summary The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-190 Integer Overflow or Wraparound
System Score Found at
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
epss 0.40114 https://api.first.org/data/v1/epss?cve=CVE-2018-12293
cvssv3 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12293
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12293
Reference id Reference type URL
http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
https://api.first.org/data/v1/epss?cve=CVE-2018-12293
https://bugs.webkit.org/show_bug.cgi?id=186384
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12293
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://trac.webkit.org/changeset/232618
https://www.exploit-db.com/exploits/45205/
http://www.openwall.com/lists/oss-security/2018/06/14/1
http://www.securityfocus.com/archive/1/542087/100/0/threaded
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
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-2018-12293 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/45205.txt
CVE-2018-12293 https://nvd.nist.gov/vuln/detail/CVE-2018-12293
USN-3687-1 https://usn.ubuntu.com/3687-1/
Data source Exploit-DB
Date added Aug. 16, 2018
Description WebkitGTK+ 2.20.3 - 'ImageBufferCairo::getImageData()' Buffer Overflow (PoC)
Ransomware campaign use Unknown
Source publication date Aug. 16, 2018
Exploit type local
Platform linux
Source update date Aug. 17, 2018
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/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:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12293
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-2018-12293
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 0.97208
EPSS Score 0.40114
Published At Aug. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:22.205664+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3687-1/ 37.0.0