Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 12, 2026 · NIST NVD

   Detected

   Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

2. Oct 14, 2026 · NIST NVD

   Updated

   Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

Sources

• CVE.orgVulnerability recordCVE-2026-21125

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-21125

  30-day exploitation probability 0.2%

  first.org
• NIST NVDVulnerability recordCVE-2026-21125

  Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

  nvd.nist.gov

References

• Reference · security.samsungmobile.com