Potential Buffer Read Issue in lib0 by Dmonad
CVE-2026-102521

8.6HIGH

Key Information:

Vendor

Dmonad

Status
Lib0
Vendor
CVE Published:
29 September 2026

What is CVE-2026-102521?

The decoder in lib0's readFromDataView function is susceptible to a vulnerability that can enable unauthorized reading of memory past the intended buffer limits. This flaw can expose adjacent process memory, potentially revealing sensitive data such as user credentials or logs, thereby compromising the integrity and confidentiality of the application.

Affected Version(s)

lib0 <= 0.2.118

References

https://github.com/dmonad/lib0/security/advisories/GHSA-g...
x_refsource_CONFIRM
https://github.com/dmonad/lib0/commit/49383f2716283b90059...
x_refsource_MISC

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.