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.
Published: 2021-08-20
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-8997 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2024-08-03T18:23:29.447Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-21826

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-20T22:15:07.067

Modified: 2024-11-21T05:49:03.280

Link: CVE-2021-21826

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses