How severe is CVE-2021-45267?

CVE-2021-45267 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-2021-45267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45267?

CVE-2021-45267 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45267?

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

When was CVE-2021-45267 published?

CVE-2021-45267 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-45267

CVE-2021-45267 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% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gpac
Published: 2021-12-22
Last modified: 2026-06-17

Description

An invalid memory address dereference vulnerability exists in gpac 1.1.0 via the svg_node_start function, which causes a segmentation fault and application crash.

Frequently asked questions

What is CVE-2021-45267?: An invalid memory address dereference vulnerability exists in gpac 1.1.0 via the svg_node_start function, which causes a segmentation fault and application crash.
How severe is CVE-2021-45267?: CVE-2021-45267 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-2021-45267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45267?: CVE-2021-45267 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45267?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45267 published?: CVE-2021-45267 was published on 2021-12-22 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Gpac

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