CVE-2026-110270

Public on 2026-10-14
Modified on 2026-10-20
Description
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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2023 bsh Not Affected
Amazon Linux 2027 Preview bsh Not Affected
Amazon Linux 2 - Core byteman Pending Fix
Amazon Linux 2023 byteman Pending Fix
Amazon Linux 2027 Preview byteman Pending Fix
Amazon Linux 2023 javapackages-bootstrap Pending Fix
Amazon Linux 2027 Preview javapackages-bootstrap Pending Fix
Amazon Linux 2 - Core objectweb-asm Pending Fix
Amazon Linux 2023 objectweb-asm Pending Fix
Amazon Linux 2027 Preview objectweb-asm Pending Fix
Amazon Linux 2 - Core objectweb-asm4 Pending Fix
Amazon Linux 2023 sisu Not Affected
Amazon Linux 2027 Preview sisu Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H