CVE-2021-33792 json
Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write via a crafted /Size key in the Trailer dictionary.
published 5y ago modified 4mo ago also EUVD-2021-20469
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write via a crafted /Size key in the Trailer dictionary.
Patch / fix
- foxitsoftware foxit_reader 10.1.4
- foxitsoftware phantompdf 10.1.4
Is CVE-2021-33792 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
foxitsoftware.com
/support/security-bulletins.html
not-applicable, vendor-advisory
Sources
- CVE List CVE-2021-33792
- NVD CVE-2021-33792
Fencer Intel 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.