CVEvulnerability
CVE-2021-34971
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-122
Description
Foxit PDF Reader JPG2000 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14812.
Affected configurations
• foxit pdf editor (<= 10.1.5.37672)
• foxit pdf editor 11.0.0.49893
• foxit pdf editor 11.0.1.49938
• foxit pdf reader (<= 11.0.1.49938)
Related
Weakness · CWE (1)
- CWE-122 Heap-based Buffer Overflow weakness
References
- https://www.foxit.com/support/security-bulletins.html Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1202/ Third Party Advisory
- https://www.foxit.com/support/security-bulletins.html Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1202/ Third Party Advisory