What’s Vulnerable › Vulnerabilities

CVE-2021-31255

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-19 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer overflow in the abst_box_read 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/758135e91e623d7dfe7f6aaad7aeb3f791b7a4e5
• https://github.com/gpac/gpac/issues/1733
• https://github.com/gpac/gpac/commit/758135e91e623d7dfe7f6aaad7aeb3f791b7a4e5
• https://github.com/gpac/gpac/issues/1733

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