CVE-2026-39103 Memory corruption in n/a
An attacker can cause a denial of service in the GPAC library via a buffer overflow in SVG attribute parsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-39103?
CVE-2026-39103 is a medium-severity memory corruption vulnerability in Gpac Gpac, published on 5 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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()
Weakness: CWE-122
Which versions are affected by CVE-2026-39103?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2026-39103?
No fix has been published for CVE-2026-39103 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-39103 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-39103 exists.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2026-39103, GHSA-fww4-38vg-fx8g, UBUNTU-CVE-2026-39103.