CVE-2026-39103

Name: CVE-2026-39103
Creator: NVD / NIST
Published: 2026-05-05T16:16:12.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2026-39103 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Buffer Overflow vulnerability in GPAC before commit v391dc7f4d234988ea0bc3cc294eb725eddf8f702 allows an attacker to cause a denial of service via the src/scenegraph/svg_attributes.c, svg_parse_strings(), gf_svg_parse_attribute(). EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

Buffer Overflow vulnerability in GPAC before commit v391dc7f4d234988ea0bc3cc294eb725eddf8f702 allows an attacker to cause a denial of service via the src/scenegraph/svg_attributes.c, svg_parse_strings(), gf_svg_parse_attribute()

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Gpac	Gpac	< 2026-04-01

References

https://github.com/gpac/gpac/commit/391dc7f4d234988ea0bc3cc294eb725eddf8f702Patch
https://github.com/gpac/gpac/issues/3506Issue Tracking, Patch, Vendor Advisory
https://github.com/gpac/gpac/issues/3506Issue Tracking, Patch, Vendor Advisory

Timeline

Published: May 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-39103?

How severe is CVE-2026-39103?

CVE-2026-39103 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2026-39103?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-39103?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST