CVE-2026-110263

OW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReader

CVE-2026-110263 is fixed in asm on 1 platform by DEBIAN-CVE-2026-110263 (version 9.11.1-1), released October 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0017

6th percentile

OW2 ASM 3.0 before 9.11 contains an uncontrolled recursion vulnerability in SignatureReader.parseType() that allows attackers to exhaust the stack via deeply nested generic type signatures. Attackers can supply a crafted class file with a long Signature attribute containing many nested type arguments to trigger a StackOverflowError during class transformation, causing denial of service.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
asm · Debian 14	9.11.1-1	DEBIAN-CVE-2026-110263	Oct 24, 2026

Details

Published
October 14, 2026
Weakness
Uncontrolled Recursion
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-110263

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