How severe is CVE-2020-11865?

CVE-2020-11865 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11865?

CVE-2020-11865 primarily affects Libemf Project Libemf. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11865 published?

CVE-2020-11865 was published on 2020-05-11 and last updated on 2026-06-17.

CVE-2020-11865

CVE-2020-11865 is a high-severity vulnerability in Libemf Project Libemf with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Libemf Project Libemf
Published: 2020-05-11
Last modified: 2026-06-17

Description

libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access.

Frequently asked questions

What is CVE-2020-11865?: libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access.
How severe is CVE-2020-11865?: CVE-2020-11865 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11865?: CVE-2020-11865 primarily affects Libemf Project Libemf. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11865 published?: CVE-2020-11865 was published on 2020-05-11 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:libemf_project:libemf:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

More vulnerabilities in Libemf Project Libemf

CVE-2020-11866 — High (CVSS 7.8): libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows a use-after-free.
CVE-2020-13999 — Medium (CVSS 5.5): ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial…
CVE-2020-11864 — Medium (CVSS 5.5): libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows denial of service (issue 2 of 2).
CVE-2020-11863 — Medium (CVSS 5.5): libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows denial of service (issue 1 of 2).

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