VYPR
← All advisories
Critical severity9.8NVD Advisory· Published Aug 20, 2021· Updated Jun 17, 2026

CVE-2021-21826

CVE-2021-21826

Description

A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within DecodeTreeBlock which is called during the decompression of an XMI file, a UINT32 is loaded from the file and used as trusted input as the length of a buffer. An attacker can provide a malicious file to trigger this vulnerability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Att/Xmillinferred2 versions
    = 0.7+ 1 more
    • (no CPE)range: = 0.7
    • cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*
  • AT&T Labs/Xmillllm-fuzzy
    Range: <0.7

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.