CVE-2021-31454
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. 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 handling of the Decimal element. A crafted leadDigits value in a Decimal element can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. Was ZDI-CAN-13095.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.97% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122
- Affected
- foxitsoftware/foxit reader · foxitsoftware/phantompdf
- Source
- zdi-disclosures@trendmicro.com
EPSS moved from 4.0% on 30 September 2026 to 4.0% on 26 October 2026.
References
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-543/Third Party Advisory, VDB Entry
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-543/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.