CVE-2021-33362
CVE-2021-33362 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% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gpac
- Published:
- Last modified:
Description
Stack buffer overflow in the hevc_parse_vps_extension function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.
Frequently asked questions
- What is CVE-2021-33362?
- Stack buffer overflow in the hevc_parse_vps_extension function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.
- How severe is CVE-2021-33362?
- CVE-2021-33362 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-2021-33362 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-33362?
- CVE-2021-33362 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-33362?
- 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-2021-33362 published?
- CVE-2021-33362 was published on 2021-09-13 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d
- https://github.com/gpac/gpac/issues/1780
Affected products (1)
- cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*
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…
- CVE-2023-2840 — Critical (CVSS 9.8): NULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.2.2.
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