# CVE-2025-21042

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

- Page: https://www.vulneraibility.com/cve/CVE-2025-21042
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2025-11-10; CISA due date 2025-12-01
- EPSS: 35.58%
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2025-11-11)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-11-11)
- Weakness: CWE-787
- Published: 2025-09-12

## Affected

- samsung:android

## References

- [other] https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21042
- [other] https://unit42.paloaltonetworks.com/landfall-is-new-commercial-grade-android-spyware/

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.