CVE-2026-52584 Memory corruption in n/a
A local attacker can exploit a buffer overflow in libjxl to obtain sensitive information via the DecodeImageAPNG function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-52584?
CVE-2026-52584 is a high-severity memory corruption vulnerability in n/a, published on 17 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a local attacker to obtain sensitive information via the DecodeImageAPNG function
Weakness: CWE-121
Which versions are affected by CVE-2026-52584?
Linux distribution packages (1)
libjxl openSUSE:Tumbleweed | All versions | 0.12.0-1.1 |
How do I fix CVE-2026-52584?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-52584 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52584 exists.
Sources
Also known as DEBIAN-CVE-2026-52584, ECHO-474b-8269-21c7, GHSA-9p88-gfff-g86f, OESA-2026-3546, UBUNTU-CVE-2026-52584, openSUSE-SU-2026:11537-1.