CVE-2026-79616 Out-of-bounds read vulnerability in Context2D.path and PathSvg.path properties impacts Qt Quick
An out-of-bounds read in Qt Quick's SVG path parsing allows attackers to cause crashes or leak memory via untrusted SVG strings.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-79616?
CVE-2026-79616 is a low-severity memory corruption vulnerability in qt, published on 23 Sep 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
Out-of-bounds read while parsing untrusted SVG path strings in Qt Quick's Context2D.path / PathSvg.path.
Weakness: CWE-125
Which versions are affected by CVE-2026-79616?
How do I fix CVE-2026-79616?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-79616 being exploited?
There is no known exploitation of CVE-2026-79616 in the wild and no public exploit code.
Sources
Also known as AZL-106830, DEBIAN-CVE-2026-79616, GHSA-mfr5-m9x8-wvjw, UBUNTU-CVE-2026-79616.