How severe is CVE-2020-13999?

CVE-2020-13999 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-2020-13999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13999?

CVE-2020-13999 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-2020-13999?

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

When was CVE-2020-13999 published?

CVE-2020-13999 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-13999

CVE-2020-13999 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. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Libemf Project Libemf
Published: 2020-06-15
Last modified: 2026-06-17

Description

ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a crafted EMF file.

Frequently asked questions

What is CVE-2020-13999?: ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a crafted EMF file.
How severe is CVE-2020-13999?: CVE-2020-13999 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-2020-13999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13999?: CVE-2020-13999 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-2020-13999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13999 published?: CVE-2020-13999 was published on 2020-06-15 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:fedoraproject:fedora:32:*:*:*:*:*:*:*

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-2020-11864 — 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).

All CVEs affecting Libemf Project Libemf →

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