Samsung Mobile Devices Out-of-Bounds Write Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-10-02
• Critical severity: CVSS 9.8

[ Description ]Official description

Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code.

CISA: Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 23 Oct 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• security.samsungmobile.com/securityUpdate.smsbVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource