How severe is CVE-2021-44919?

CVE-2021-44919 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-2021-44919 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44919?

CVE-2021-44919 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44919?

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

When was CVE-2021-44919 published?

CVE-2021-44919 was published on 2021-12-21 and last updated on 2026-06-17.

CVE-2021-44919

CVE-2021-44919 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% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gpac
Published: 2021-12-21
Last modified: 2026-06-17

Description

A Null Pointer Dereference vulnerability exists in the gf_sg_vrml_mf_alloc function in gpac 1.1.0-DEV, which causes a segmentation fault and application crash.

Frequently asked questions

What is CVE-2021-44919?: A Null Pointer Dereference vulnerability exists in the gf_sg_vrml_mf_alloc function in gpac 1.1.0-DEV, which causes a segmentation fault and application crash.
How severe is CVE-2021-44919?: CVE-2021-44919 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-2021-44919 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44919?: CVE-2021-44919 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44919?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44919 published?: CVE-2021-44919 was published on 2021-12-21 and last updated on 2026-06-17.

References

https://github.com/gpac/gpac/issues/1963

Affected products (1)

cpe:2.3:a:gpac:gpac:1.1.0:*:*:*:*:*:*:*

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