What’s Vulnerable › Vulnerabilities

CVE-2021-4043: NULL Pointer Dereference in gpac/gpac

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-04 · updated 2026-06-17
• Weakness: CWE-476

Description

NULL Pointer Dereference in GitHub repository gpac/gpac prior to 1.1.0.

Affected products

• Debian Linux: 11.0
• GPAC: before 1.1.0 — fixed in 1.1.0

How to fix

Upgrade to a fixed version: GPAC 1.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db
• https://huntr.dev/bounties/d7a534cb-df7a-48ba-8ce3-46b1551a9c47
• https://www.debian.org/security/2023/dsa-5411
• https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db
• https://huntr.dev/bounties/d7a534cb-df7a-48ba-8ce3-46b1551a9c47
• https://www.debian.org/security/2023/dsa-5411

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