8.1
High
CVE-2021-21827 A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| AT&T | Versions not published |
Other CVEs of AT&T
The 11 CVEs of AT&T →
CVE-2021-21811
A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7
8.1
High
CVE-2021-21828
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs…
8.1
High
CVE-2021-21826
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs…
8.1
High
CVE-2021-21825
A heap-based buffer overflow vulnerability exists in the XML Decompression PlainTextUncompressor::UncompressItem…
8.1
High