CVE-2026-110261

Name	CVE-2026-110261
Description	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.
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/463
Fixed by: https://gitlab.ow2.org/asm/asm/-/commit/9465c9a5bc8a8ca104cb6c50eeb938c8957543b4 (ASM_9_11)