CVE-2021-21827
- State
- Published
- Severity
- 8.1 High
- Published
- Aug 20, 2021
- Updated
- Aug 3, 2024
- Reserved
- Jan 4, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 8.1 High | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | talos |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
AT&Tn/a |
|
References
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