What’s Vulnerable › Vulnerabilities

CVE-2021-33362

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-13 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• GPAC: 1.0.1

References

• https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d
• https://github.com/gpac/gpac/issues/1780
• https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d
• https://github.com/gpac/gpac/issues/1780

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