Which versions of GPAC are affected by CVE-2026-4185?

Organizations using GPAC should be aware of moderate risk from CVE-2026-4185, a stack-based buffer overflow vulnerability rated CVSS 6.3.. A patch is available.

Is there a public PoC exploit available for CVE-2026-4185?

Yes, a public proof-of-concept exploit is available for CVE-2026-4185. Prioritise patching immediately. EPSS: 0.1%.

GPAC CVE-2026-4185

Q: What is the CVSS score of CVE-2026-4185?

CVE-2026-4185 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2026-12241 LOW

Stack-based Buffer Overflow (CWE-121)

2026-03-15 VulDB

Buffer Overflow Stack Overflow

2.1

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

CVSS changed

Apr 22, 2026 - 21:37 NVD

6.3 (MEDIUM) 5.3 (MEDIUM)

PoC Detected

Mar 16, 2026 - 14:53 vuln.today

Public exploit code

EUVD ID Assigned

Mar 15, 2026 - 19:00 euvd

EUVD-2026-12241

Analysis Generated

Mar 15, 2026 - 19:00 vuln.today

Patch released

Mar 15, 2026 - 19:00 nvd

Patch available

CVE Published

Mar 15, 2026 - 18:32 nvd

MEDIUM 6.3

DescriptionNVD

A vulnerability was found in GPAC up to 2.5-DEV-rev2167-gcc9d617c0-master. This vulnerability affects the function swf_def_bits_jpeg of the file src/scene_manager/swf_parse.c of the component MP4Box. The manipulation of the argument szName results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as 8961c74f87ae3fe2d3352e622f7730ca96d50cf1. A patch should be applied to remediate this issue.

AnalysisAI

Stack-based buffer overflow vulnerability in GPAC's MP4Box component, specifically in the swf_def_bits_jpeg function of src/scene_manager/swf_parse.c, affecting versions up to 2.5-DEV-rev2167. An authenticated attacker can exploit this remotely by manipulating the szName argument to cause a stack overflow, resulting in information disclosure, data modification, or denial of service. …

RemediationAI

Within 30 days: Identify affected systems running GPAC and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-4185 vulnerability details – vuln.today

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