How severe is CVE-2021-45259?

CVE-2021-45259 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-2021-45259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45259?

CVE-2021-45259 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45259?

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

When was CVE-2021-45259 published?

CVE-2021-45259 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-45259

CVE-2021-45259 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% (47th 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 pointer reference vulnerability exists in gpac 1.1.0 via the gf_svg_node_del function, which causes a segmentation fault and application crash.

Frequently asked questions

What is CVE-2021-45259?: An Invalid pointer reference vulnerability exists in gpac 1.1.0 via the gf_svg_node_del function, which causes a segmentation fault and application crash.
How severe is CVE-2021-45259?: CVE-2021-45259 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-2021-45259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45259?: CVE-2021-45259 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45259 published?: CVE-2021-45259 was published on 2021-12-22 and last updated on 2026-06-17.

References

https://github.com/gpac/gpac/issues/1986

Affected products (1)

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

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