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OW2 ASM 3.0 before 9.11 Excessive CPU Consumption via ClassWriter COMPUTE_FRAMES

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-110261

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-2026-110261

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-2026-110261

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#22907 · Revision 1
Added to Heist Feed
Publisher date
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