Skip to content
Fencer Vulns
medium 6.5

CVE-2018-9948 json

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935.

published 2018-05-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21540

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
62.5%
EPSS 62.5% chance of exploitation in 30 days, percentile 99.1%
public exploits
3
Metasploit, Exploit-DB

Summary

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935. 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 typed arrays. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-5380.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/windows/fileformat/foxit_reader_uaf)
  2. Published

Exploit prediction

62.49% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Foxit Foxit Reader

Classification

Weakness
  • CWE-824 Access of Uninitialized Pointer
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.