CVE-2026-21048 Memory corruption in Samsung Mobile Devices
Remote attackers can execute arbitrary code via out-of-bounds write in DNG parsing on Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21048?
CVE-2026-21048 is a high-severity memory corruption vulnerability in Samsung Mobile Devices, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Out-of-bounds write in parsing DNG format in libimagecodec.media.quram.so prior to SMR Jul-2026 Release 1 allows remote attackers to write out-of-bounds memory.
Which versions are affected by CVE-2026-21048?
How do I fix CVE-2026-21048?
No fix has been published for CVE-2026-21048 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-2026-21048 being exploited?
There is no known exploitation of CVE-2026-21048 in the wild and no public exploit code.
Sources
Also known as GHSA-qvx4-w85v-qhh8.