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CVE-2026-110270

CVE-2026-110270 · OW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapter

This page contains facts from public vulnerability sources. Check the original advisory before updating.

OW2 ASM 3.0 before 9.11 contains an uncontrolled memory allocation vulnerability in the asm-commons JSRInlinerAdapter that inlines JSR/RET subroutines without memory or work limits. Attackers can supply a crafted class file with nested subroutines to force O(2^n) memory allocation, causing an OutOfMemoryError that crashes the JVM.

CVSS 6.8 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • asm

    Versions
    • ≥ 3.0, < 9.11: Affected (custom)

    Update to 9.11

  • asm Debian:12

    Versions
    • 9.10.1-1
    • 9.11.1-1
    • 9.4-1
    • 9.5-1
    • 9.7-1
    • 9.7-2
    • 9.7.1-1
    • 9.8-1
    • 9.8-2
    • 9.9.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Debian:13

    Versions
    • 9.10.1-1
    • 9.11.1-1
    • 9.8-1
    • 9.8-2
    • 9.9.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Debian:14

    Versions
    • 9.10.1-1
    • 9.8-1
    • 9.8-2
    • 9.9.1-1
    Affected ranges
    • ECOSYSTEM: < 9.11.1-1

    Update to 9.11.1-1

  • asm Ubuntu:18.04:LTS

    Versions
    • 6.0~alpha-1
    • 6.0~alpha-2
    • 6.0-1
    • 7.0-1~18.04
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Ubuntu:20.04:LTS

    Versions
    • 7.1-2
    • 7.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Ubuntu:22.04:LTS

    Versions
    • 9.1-1
    • 9.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Ubuntu:24.04:LTS

    Versions
    • 9.4-1
    • 9.5-1
    • 9.6~us1-0ubuntu1
    • 9.7-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Ubuntu:26.10

    Versions
    • 9.9.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • asm Ubuntu:26.04:LTS

    Versions
    • 9.8-1
    • 9.8-2
    • 9.9.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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