What’s Vulnerable › Vulnerabilities

CVE-2021-32132

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-13 · updated 2026-06-17
• Weakness: CWE-476

Description

The abst_box_size function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.

Affected products

• GPAC: 1.0.1

References

• https://github.com/gpac/gpac/commit/e74be5976a6fee059c638050a237893f7e9a3b23
• https://github.com/gpac/gpac/issues/1753
• https://github.com/gpac/gpac/commit/e74be5976a6fee059c638050a237893f7e9a3b23
• https://github.com/gpac/gpac/issues/1753

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