CVE-2021-31486
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DWF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12712.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Remote code execution in OpenText Brava! Desktop 16.6.3.84 via a crafted DWF file due to an out-of-bounds write.
Vulnerability
This vulnerability affects OpenText Brava! Desktop version 16.6.3.84. The flaw exists within the parsing of DWF files. The lack of proper validation of user-supplied data results in a write past the end of an allocated buffer, leading to memory corruption [1].
Exploitation
An attacker can exploit this vulnerability by convincing a user to open a malicious DWF file or visit a page that triggers the parsing. No authentication is required, and the attack is remote. User interaction is necessary [1].
Impact
Successful exploitation allows an attacker to execute arbitrary code in the context of the current process. This can lead to full compromise of confidentiality, integrity, and availability [1].
Mitigation
As of the advisory publication date (June 2, 2021), the vendor was notified but did not respond, and no patch or workaround has been released. Users should limit exposure by avoiding untrusted DWF files and considering alternative products if possible [1].
AI Insight generated on May 27, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Range: = 16.6.3.84
- OpenText/Brava! Desktopv5Range: 16.6.3.84
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- www.zerodayinitiative.com/advisories/ZDI-21-626/mitrex_refsource_MISC
News mentions
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