What’s Vulnerable › Vulnerabilities

CVE-2023-4756: Stack-based Buffer Overflow in gpac/gpac

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-04 · updated 2026-06-17
• Weakness: CWE-121

Description

Stack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.

Affected products

• GPAC: before 2.3 — fixed in 2.3

How to fix

Upgrade to a fixed version: GPAC 2.3. Check the vendor advisory for mitigations.

References

• https://github.com/gpac/gpac/commit/6914d016e2b540bac2c471c4aea156ddef8e8e01
• https://huntr.dev/bounties/2342da0e-f097-4ce7-bfdc-3ec0ba446e05
• https://github.com/gpac/gpac/commit/6914d016e2b540bac2c471c4aea156ddef8e8e01
• https://huntr.dev/bounties/2342da0e-f097-4ce7-bfdc-3ec0ba446e05

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