CVE-2021-40942
CVE-2021-40942 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-787.
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-787
- Affected product: Gpac
- Published:
- Last modified:
Description
In GPAC MP4Box v1.1.0, there is a heap-buffer-overflow in the function filter_parse_dyn_args function in filter_core/filter.c:1454, as demonstrated by GPAC. This can cause a denial of service (DOS).
Frequently asked questions
- What is CVE-2021-40942?
- In GPAC MP4Box v1.1.0, there is a heap-buffer-overflow in the function filter_parse_dyn_args function in filter_core/filter.c:1454, as demonstrated by GPAC. This can cause a denial of service (DOS).
- How severe is CVE-2021-40942?
- CVE-2021-40942 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-2021-40942 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-2021-40942?
- CVE-2021-40942 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40942?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-40942 published?
- CVE-2021-40942 was published on 2022-06-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:gpac:gpac:1.1.0:*:*:*:*:*:*:*
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