How severe is CVE-2020-11863?

CVE-2020-11863 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-11863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11863?

CVE-2020-11863 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-2020-11863?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11863 published?

CVE-2020-11863 was published on 2020-05-11 and last updated on 2026-06-17.

CVE-2020-11863

CVE-2020-11863 is a medium-severity vulnerability in Libemf Project Libemf with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
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 denial of service (issue 1 of 2).

Frequently asked questions

What is CVE-2020-11863?: libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows denial of service (issue 1 of 2).
How severe is CVE-2020-11863?: CVE-2020-11863 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-11863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11863?: CVE-2020-11863 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-2020-11863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11863 published?: CVE-2020-11863 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-2020-11865 — High (CVSS 7.8): libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access.
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).

All CVEs affecting Libemf Project Libemf →