Stack-based Buffer Overflow Affecting gpac/gpac package, versions [,26.02.0)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-GPACGPAC-15683820
- published18 Mar 2026
- disclosed15 Mar 2026
- creditUnknown
Introduced: 15 Mar 2026
CVE-2026-4185 (opens in a new tab)How to fix?
Upgrade gpac/gpac to version 26.02.0 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the swf_def_bits_jpeg() function in the MP4Box component when processing the szName argument. An attacker can execute arbitrary code or cause a denial of service by supplying a specially crafted input.