CVEvulnerability
CVE-2021-21893
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-08-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Affected configurations
• foxit pdf reader 11.0.0.49893
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1336 Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1336 Exploit, Third Party Advisory