CVE-2021-21811

CRITICAL

AT&T Labs Xmill 0.7 - Memory Corruption via XML CreateLabelOrAttrib

Title source: llm
STIX 2.1

Description

A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1279

Scores

CVSS v3 9.8
EPSS 0.0110
EPSS Percentile 61.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-191
Status published
Products (1)
att/xmill 0.7
Published Aug 31, 2021
Tracked Since Feb 18, 2026