Every CVE Search/ Get API key

CVE-2026-110263

OW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReader

6.8 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.17%Unchanged since Oct 15, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.8

OW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReader

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.

Record
CVE-2026-110263
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-674
Updated
2026-11-02
EUVDEUVD-2026-101217 6.8

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.

Record
EUVD-2026-101217
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-9vfw-838x-23h7 6.8

OW2 ASM 3.0 before 9.11 contains an uncontrolled recursion vulnerability in SignatureReader...

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.

Record
GHSA-9vfw-838x-23h7
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-674
Updated
2026-11-02
NVD 6.8

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.

Record
CVE-2026-110263
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-674
Updated
2026-11-02
OSV 6.8

OW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReader

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.

Record
CVE-2026-110263
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-674
Updated
2026-11-02
OSVDEBIAN-CVE-2026-110263 6.8

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.

Record
DEBIAN-CVE-2026-110263
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
Show 4 moreShow less
OSVRHSA-2026:83847 5.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:83847
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-110263 6.8

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.

Record
UBUNTU-CVE-2026-110263
CVSS 4.0
6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-108375 No score

CVE-2026-110263 affecting package javapackages-bootstrap 1.14.0-4

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.

Record
AZL-108375
Updated
2026-11-02
OSVAZL-108417 No score

CVE-2026-110263 affecting package objectweb-asm for versions less than 9.11.1-1

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.

Record
AZL-108417
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
javapackages-bootstrap
Azure Linux:3
 through 1.14.0-4 None known
objectweb-asm
Azure Linux:3
 before 9.11.1-1
9.11.1-1
asm
Debian:12
 All versions, plus listed versions
9.10.1-19.11.1-19.4-19.5-19.7-1
Show 5 moreShow less
9.7-29.7.1-19.8-19.8-29.9.1-1
 None known
asm
Debian:13
 All versions, plus listed versions
9.10.1-19.11.1-19.8-19.8-29.9.1-1
 None known
asm
Debian:14
 before 9.11.1-1, plus listed versions
9.10.1-19.8-19.8-29.9.1-1
9.11.1-1
maven3.9
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:3.9.16-0.4.hum1
0:3.9.16-0.4.hum1
maven3.9-lib
Red Hat:hummingbird:1
From an advisory covering 5 CVEs
 before 0:3.9.16-0.4.hum1
0:3.9.16-0.4.hum1
asm
Ubuntu:18.04:LTS
 All versions, plus listed versions
6.0~alpha-16.0~alpha-26.0-17.0-1~18.04
 None known
asm
Ubuntu:20.04:LTS
 All versions, plus listed versions
7.1-27.2-1
 None known
asm
Ubuntu:22.04:LTS
 All versions, plus listed versions
9.1-19.2-1
 None known
asm
Ubuntu:24.04:LTS
 All versions, plus listed versions
9.4-19.5-19.6~us1-0ubuntu19.7-1
 None known
asm
Ubuntu:26.10
 All versions, plus listed versions
9.9.1-1
 None known
asm
Ubuntu:26.04:LTS
 All versions, plus listed versions
9.8-19.8-29.9.1-1
 None known

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-110263 is a medium vulnerability (CVSS 6.8) in Ow2 Asm, published October 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. Fixed in objectweb-asm 9.11.1-1.

References

Show 44 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open