Medium
OW2 ASM 3.0 before 9.11 Excessive Memory Allocation via Multiple RET Instructions
OW2 ASM 3.0 before 9.11 contains an excessive memory allocation vulnerability in Label.addSubroutineRetSuccessors() that fails to enforce the single-RET-per-JSR rule. Attackers can supply a crafted invalid class file with multiple RET instructions for one JSR, triggering a roughly 2 GB allocation that crashes the JVM.
Announced Group revision 1
Original source ↗CVE-2026-110258
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-110258
ASM
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://gitlab.ow2.org/asm/asm",
"vendor": "OW2",
"product": "ASM",
"versions": [
{
"status": "affected",
"version": "3.0",
"lessThan": "9.11",
"versionType": "custom"
}
],
"packageURL": "pkg:maven/org.ow2.asm/asm",
"collectionURL": "https://repo1.maven.org/maven2/",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-110258
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #22242 · Revision 1
- Added to Heist Feed
- Publisher date