CVE-2018-12932

CRITICALNVD 9.89.8—

9.8

PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by triggering a large pAlphaBlend->cbBitsSrc value.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 63.9%
KEV: Not listed

Published

June 28, 2018

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated May 28, 2026

No patch confirmed yet.

generic

gdi32: Check that emf records are within the file. (b6da3547) · Commits · wine / wine · GitLab

https://source.winehq.org/git/wine.git/commit/b6da3547d8990c3c3affc3a5865aefd2a0946949

generic

gdi32: Check for truncated EMF files. (8d2676fd) · Commits · wine / wine · GitLab

https://source.winehq.org/git/wine.git/commit/8d2676fd14f130f9e8f06744743423168bf8d18d

generic

WineHQ Bugzilla – Bug 45105 – heap-buffer overflow in gdi32 (CVE-2018-12932)

https://bugs.winehq.org/show_bug.cgi?id=45105

generic

https://bugs.winehq.org/attachment.cgi?id=61284

generic

Bug #1764719 “Security vulnerabilities in Wine when handling EMF...” : Bugs : wine package : Ubuntu

https://bugs.launchpad.net/ubuntu/+source/wine/+bug/1764719

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 06:13 UTCEG score recompute
2026-05-28 06:13 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 21:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-12932?

CVE-2018-12932 is a critical vulnerability published on June 28, 2018. PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by triggering a large pAlphaBlend->cbBitsSrc value.

When was CVE-2018-12932 disclosed?

CVE-2018-12932 was first published in the National Vulnerability Database on June 28, 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-2018-12932 actively exploited?

CVE-2018-12932 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-12932?

CVE-2018-12932 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-12932?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-12932, 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

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CVE-2018-12932

📅 Published

🔄 Last Modified

📋 Advisory Details (5)

gdi32: Check that emf records are within the file. (b6da3547) · Commits · wine / wine · GitLab

gdi32: Check for truncated EMF files. (8d2676fd) · Commits · wine / wine · GitLab

WineHQ Bugzilla – Bug 45105 – heap-buffer overflow in gdi32 (CVE-2018-12932)

Bug #1764719 “Security vulnerabilities in Wine when handling EMF...” : Bugs : wine package : Ubuntu

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-12932?

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Advisory Details (5)

Frequently asked(5)

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