medium5.5
CVE-2026-112046
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 meth…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| OW2 ASM 9.11 | before 9.11.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://asm.ow2.io/versions.html
- https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_11/asm/src/main/java/org/objectweb/asm/Label.java#L417
- https://gitlab.ow2.org/asm/asm/-/commit/4bb1a4701e7b61c2163525b987a96a8db815cb68
- https://gitlab.ow2.org/asm/asm/-/merge_requests/480
- https://www.vulncheck.com/advisories/ow2-asm-9.11-before-9.11.1-denial-of-service-via-infinite-loop-in-label-resolve