CVE-2026-110261

CVSS 6.8 (medium) · published 2026-10-14

OW2 ASM 3.0 before 9.11 contains a denial of service vulnerability that allows attackers to exhaust CPU by supplying crafted class files processed with ClassWriter.COMPUTE_FRAMES. Attackers can craft methods that make the unbounded MethodWriter.computeAllFrames() fix point algorithm converge slowly, tying up transforming threads for unbounded time.

Weakness: CWE-407

Source: NVD CVE-2026-110261

References

• https://asm.ow2.io/versions.html
• https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/MethodWriter.java#L1595
• https://gitlab.ow2.org/asm/asm/-/commit/ab68bbd2521359b7c8cd3517c6331ced3d817ed0
• https://gitlab.ow2.org/asm/asm/-/merge_requests/463
• https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-excessive-cpu-consumption-via-classwriter-compute-frames

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.