Vulnerability in Turms-Im Turms
CVE-2025-66909
Turms AI-Serving module v0.10.0-SNAPSHOT and earlier contains an image decompression bomb denial of service vulnerability. The ExtendedOpenCVImage class in ai/djl/opencv/ExtendedOpenCVImage.java loads images using OpenCV's imread() function without validating dimensions or pixel count before decompression. An attacker can upload a specially crafted compressed image file (e.g., PNG) that is small when compressed but expands to gigabytes of memory when loaded. This causes immediate memory exhaustion, OutOfMemoryError, and service crash. No authentication is required if the OCR service is publicly accessible. Multiple requests can completely deny service availability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000
Affected products
- Turms-Im Turms — versions 0.10.0-snapshot
Weakness classification (CWE)
References
- github.com/turms-im/turms (Product)
- github.com/turms-im/turms/blob/develop/turms-ai-serving/src/main/java/ai/djl/op… (Product)
- github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66909_report.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-66909?
- CVE-2025-66909 is a high-severity vulnerability in Turms-Im Turms, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 7.5/10. Published 2025-12-19.
- How severe is CVE-2025-66909?
- High severity. CVSS v3 base score is 7.5 out of 10.