CVE-2026-112046CWE-835

CVE-2026-112046

Medium · published October 18, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

OW2 ASM 9.11 before 9.11.1 contains an infinite loop vulnerability in Label.resolve() caused by 16-bit forward-reference offsets truncating when rewritten methods exceed 64 KB. Attackers can supply crafted class files whose transformed code grows past 65535 bytes, hanging ClassReader.accept() and denying service to build tools, instrumenters, agents, or analyzers.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
6.8 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00119 · 1.7th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-10-18T17:16Z
References (5)
https://asm.ow2.io/versions.html · [email protected]https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_11/asm/src/main/java/org/objectweb/asm/Label.java#L417 · [email protected]https://gitlab.ow2.org/asm/asm/-/commit/4bb1a4701e7b61c2163525b987a96a8db815cb68 · [email protected]https://gitlab.ow2.org/asm/asm/-/merge_requests/480 · [email protected]https://www.vulncheck.com/advisories/ow2-asm-9.11-before-9.11.1-denial-of-service-via-infinite-loop-in-label-resolve · [email protected]
EPSS history
Timeline
  • 20 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 18 OCT 12:19Z
    OW2 ASM 9.11 before 9.11.1 Denial of Service via Infinite Loop in Label.resolve()
    cvelistv5
  • 18 OCT 12:19Z
    OW2 ASM 9.11 before 9.11.1 Denial of Service via Infinite Loop in Label.resolve()
    cvelistv5