Home/CWE/Incorrect Calculation of Multi-Byte String Length
Weakness

Incorrect Calculation of Multi-Byte String Length

CWE-135 · Base · Draft

The product does not correctly calculate the length of strings that can contain wide or multi-byte characters.

△

Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-682 · Incorrect Calculation
⚠

CVEs With This Weakness

2
CVEs tagged with this weakness.
CVECVE-2026-34831
CVECVE-2026-0810
External lookups - second-class, for what we don’t hold ourselves
MITRE CWE
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin