CVE-2021-40566
CVE-2021-40566 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-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Gpac
- Published:
- Last modified:
Description
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
Frequently asked questions
- What is CVE-2021-40566?
- A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
- How severe is CVE-2021-40566?
- CVE-2021-40566 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-2021-40566 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40566?
- CVE-2021-40566 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40566?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-40566 published?
- CVE-2021-40566 was published on 2022-01-12 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/commit/96047e0e6166407c40cc19f4e94fb35cd7624391
- https://github.com/gpac/gpac/issues/1887
- https://www.debian.org/security/2023/dsa-5411
Affected products (1)
- cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
More vulnerabilities in Gpac
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- CVE-2023-46932 — Critical (CVSS 9.8): Heap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master, allows attackers to execute…
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