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CVE-2026-89059

7.5 high SSVC exploitation: poc Published
NVD · CVE.org

A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enormous dimensions to trigger a very large memory allocation, exhausting the JVM heap and resulting in a denial of service.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 5

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 15:55
  2. References+1 references (now 9)NVD modified 2026-10-19 16:17
  3. References+1 references (now 8)NVD modified 2026-10-16 00:17
  4. References+1 references (now 7)NVD modified 2026-10-15 19:17
  5. First seenCVSS 7.5NVD modified 2026-10-13 11:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 9