CVE-2018-12294

HIGHNVD 8.88.8—

8.8

WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 82.3%
KEV: Not listed

Published

June 19, 2018

Last Modified

November 21, 2024

References (12)

cve@mitrehttp://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
cve@mitrehttp://www.openwall.com/lists/oss-security/2018/06/14/1
cve@mitrehttp://www.securityfocus.com/archive/1/542087/100/0/threaded
cve@mitrehttps://bugs.webkit.org/show_bug.cgi?id=184729
cve@mitrehttps://security.gentoo.org/glsa/201808-04
cve@mitrehttps://trac.webkit.org/changeset/231300/webkit
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2018/06/14/1
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/542087/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108https://bugs.webkit.org/show_bug.cgi?id=184729
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201808-04
af854a3a-2127-422b-91ae-364da2661108https://trac.webkit.org/changeset/231300/webkit

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-416Use After Free

Data Freshness Timeline

(refreshed 13× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-17 17:50 UTCEPSS rescore
2026-06-17 17:50 UTCEPSS rescore
2026-06-16 17:50 UTCEPSS rescore
2026-06-16 17:50 UTCEPSS rescore
2026-06-15 17:45 UTCEPSS rescore
2026-06-15 17:43 UTCOSV refresh
2026-06-14 23:14 UTCEPSS rescore
2026-06-14 23:14 UTCEPSS rescore
2026-06-13 22:58 UTCEPSS rescore
2026-06-13 22:58 UTCEPSS rescore
2026-06-12 23:09 UTCEPSS rescore
2026-06-11 13:57 UTCEPSS rescore
2026-06-10 22:16 UTCEPSS rescore
2026-06-10 13:19 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore

Show 19 more

2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 06:29 UTCEG score recompute
2026-05-28 06:29 UTCGHSA enrichment
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-12294?

CVE-2018-12294 is a high vulnerability published on June 19, 2018. WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.

When was CVE-2018-12294 disclosed?

CVE-2018-12294 was first published in the National Vulnerability Database on June 19, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-12294 actively exploited?

CVE-2018-12294 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-12294?

CVE-2018-12294 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-12294?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-12294, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2018-12294

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Is Your Infrastructure Affected by CVE-2018-12294?

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Frequently asked(5)

What is CVE-2018-12294?

When was CVE-2018-12294 disclosed?

Is CVE-2018-12294 actively exploited?

What is the CVSS score of CVE-2018-12294?

CVE-2018-12294 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-12294?

CVE-2018-12294

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-12294?

CVE-2018-12294

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-12294?

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References (12)

Frequently asked(5)

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References (12)

Frequently asked(5)

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