CVE-2018-12932
CVE-2018-12932 is a critical-severity vulnerability in Winehq Wine with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Winehq Wine
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-12932?
- 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.
- How severe is CVE-2018-12932?
- CVE-2018-12932 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-12932 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-12932?
- CVE-2018-12932 affects Winehq Wine. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-12932?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-12932 published?
- CVE-2018-12932 was published on 2018-06-28 and last updated on 2026-06-17.
References
- https://bugs.launchpad.net/ubuntu/+source/wine/+bug/1764719
- https://bugs.winehq.org/attachment.cgi?id=61284
- https://bugs.winehq.org/show_bug.cgi?id=45105
- https://source.winehq.org/git/wine.git/commit/8d2676fd14f130f9e8f06744743423168bf8d18d
- https://source.winehq.org/git/wine.git/commit/b6da3547d8990c3c3affc3a5865aefd2a0946949
Affected products (1)
- cpe:2.3:a:winehq:wine:3.7:*:*:*:*:*:*:*
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