How severe is CVE-2021-32268?

CVE-2021-32268 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-2021-32268 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-2021-32268?

CVE-2021-32268 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32268?

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-2021-32268 published?

CVE-2021-32268 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-32268

CVE-2021-32268 is a high-severity vulnerability in Gpac 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Gpac
Published: 2021-09-20
Last modified: 2026-06-17

Description

Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code. The fixed version is 1.0.1.

Frequently asked questions

What is CVE-2021-32268?: Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code. The fixed version is 1.0.1.
How severe is CVE-2021-32268?: CVE-2021-32268 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-2021-32268 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-2021-32268?: CVE-2021-32268 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32268?: 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-2021-32268 published?: CVE-2021-32268 was published on 2021-09-20 and last updated on 2026-06-17.

References

Affected products (1)

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

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