CVE catalog

CVE-2026-110260

OW2 ASM 3.0 before 9.11 contains a quadratic memory…

[CVE catalog]

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
Medium · CVSS 6.8CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.18% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "asm",
      "status": "fixed",
      "release": "sid",
      "version": "9.11.1-1"
    },
    {
      "name": "asm",
      "status": "fixed",
      "release": "forky",
      "version": "9.11.1-1"
    },
    {
      "name": "asm",
      "status": "vulnerable",
      "release": "trixie",
      "version": "9.8-1"
    },
    {
      "name": "asm",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "9.4-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1151198,
      "name": "asm",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "9.11.1-1"
    },
    {
      "bug": 1151198,
      "name": "asm",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "9.11.1-1"
    },
    {
      "bug": 1151198,
      "name": "asm",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1151198,
      "name": "asm",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": []
}

[Debian bug #1151198]

Publisher notes

[trixie] asm: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [libasm-java]Unknown

    Source package: [asm]

    Details (2)

    • 9.4-1 · all · bookworm

      Affected

      nvd · asm · debian · bookworm; nvd · asm · debian · 12

    • 9.4-1 · all · bookworm

      Affected

      nvd · asm · debian · bookworm; nvd · asm · debian · 12

[Debian 13 (Trixie)]

  • [libasm-java]Unknown

    Source package: [asm]

    Details (2)

    • 9.8-1 · all · trixie

      Affected

      nvd · asm · debian · 13

    • 9.8-1 · all · trixie

      Affected

      nvd · asm · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]