CVE-2026-110258

Name	CVE-2026-110258
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1151198

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
asm (PTS)	bookworm	9.4-1	vulnerable
	trixie	9.8-1	vulnerable
	forky, sid	9.11.1-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
asm	source	(unstable)	9.11.1-1			1151198

Notes

[trixie] - asm <no-dsa> (Minor issue)
https://gitlab.ow2.org/asm/asm/-/merge_requests/458
Fixed by: https://gitlab.ow2.org/asm/asm/-/commit/cefb8df53859777cc9e9dfbe3633cc28f694b7b7 (ASM_9_11)