CVE-2026-110260
Public on 2026-10-14
Modified on 2026-10-20
Description
OW2 ASM 3.0 before 9.11 contains a quadratic memory allocation vulnerability in MethodWriter.computeMaxStackAndLocal() and computeAllFrames() when using COMPUTE_MAXS or COMPUTE_FRAMES. Attackers can supply a crafted class file with thousands of overlapping exception handlers, causing excessive Edge allocations and an OutOfMemoryError that crashes the JVM.
Severity
See what this means
CVSS v3 Base Score
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 | Pending Fix | ||
| Amazon Linux 2027 Preview | sisu | Pending Fix |
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 |