CVE-2025-21042
KEVSamsung Mobile Devices Out-of-Bounds Write Vulnerability
Description
Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so. This vulnerability could allow remote attackers to execute arbitrary code.
Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedSep 12, 2025
Last modifiedOct 8, 2026
Added to KEVNov 10, 2025
Remediation dueDec 1, 2025
References
- security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04Vendor Advisory
- unit42.paloaltonetworks.com/landfall-is-new-commercial-grade-android-spyware/Technical DescriptionThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21042US Government Resource
0 recent articles mention this CVE
78
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 331 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 35.6% · top 2% of all CVEs
- Weakness
- CWE-787
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.