CVE-2026-110262: medium-severity vulnerability in OW2 ASM
OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.2%
OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected products
OW2 · ASMRelated CVEs — OW2 ASM
In the same product, most dangerous first.
CVE-2026-110591MEDIUMOW2 ASM 1.4.3 before 9.11 Excessive Resource Consumption via AnalyzerEPSS 0.2%CVE-2026-110260MEDIUMOW2 ASM 3.0 before 9.11 Quadratic Memory Allocation via Exception HandlersEPSS 0.2%CVE-2026-110270MEDIUMOW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapterEPSS 0.2%CVE-2026-110263MEDIUMOW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReaderEPSS 0.2%CVE-2026-110261MEDIUMOW2 ASM 3.0 before 9.11 Excessive CPU Consumption via ClassWriter COMPUTE_FRAMESEPSS 0.2%CVE-2026-110259MEDIUMOW2 ASM 3.0 before 9.11 Uncontrolled Recursion via ClassWriter.replaceAsmInstructions()EPSS 0.2%
References
https://asm.ow2.io/versions.htmlhttps://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/AdviceAdapter.java#L96https://gitlab.ow2.org/asm/asm/-/commit/b7e6c88801790c9da214efd0498aecb9402796a0https://gitlab.ow2.org/asm/asm/-/merge_requests/464https://www.vulncheck.com/advisories/ow2-asm-3.1-before-9.11-excessive-memory-allocation-in-adviceadapter