How severe is CVE-2019-20163?

CVE-2019-20163 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-2019-20163 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20163?

CVE-2019-20163 primarily affects Gpac. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20163?

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

When was CVE-2019-20163 published?

CVE-2019-20163 was published on 2019-12-31 and last updated on 2026-06-17.

CVE-2019-20163

CVE-2019-20163 is a medium-severity vulnerability in Gpac 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gpac
Published: 2019-12-31
Last modified: 2026-06-17

Description

An issue was discovered in GPAC version 0.8.0 and 0.9.0-development-20191109. There is a NULL pointer dereference in the function gf_odf_avc_cfg_write_bs() in odf/descriptors.c.

Frequently asked questions

What is CVE-2019-20163?: An issue was discovered in GPAC version 0.8.0 and 0.9.0-development-20191109. There is a NULL pointer dereference in the function gf_odf_avc_cfg_write_bs() in odf/descriptors.c.
How severe is CVE-2019-20163?: CVE-2019-20163 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-2019-20163 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20163?: CVE-2019-20163 primarily affects Gpac. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20163?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20163 published?: CVE-2019-20163 was published on 2019-12-31 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:gpac:gpac:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:gpac:gpac:0.9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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