CVE-2025-21042: listed in the CISA KEV catalog

CVE-2025-21042 · CVSS 8.8 HIGH · EPSS 33% · KEV 2025-11-10

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

Is CVE-2025-21042 exploited?

• Listed in the CISA KEV catalog on 2025-11-10.
• Federal remediation due 2025-12-01.
• Past that date by 257 days.
• EPSS puts exploitation in the next 30 days at 33%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2025-21042

• 90 Zero-Days Hit Enterprise Security and Networking Devices (2026-03-07)

Primary sources

• NVD record
• CISA KEV catalog

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-15.