CVE-2020-19463 json
An issue has been found in function vfprintf in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a stack overflow.
published 2021-07-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-11367
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
An issue has been found in function vfprintf in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a stack overflow.
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/flexpaper/pdf2json/issues/24 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/flexpaper/pdf2json/issues/24
exploit, issue-tracking, third-party-advisory
-
cwe.mitre.org
/data/definitions/770.html
third-party-advisory
Sources
- CVE List CVE-2020-19463
- NVD CVE-2020-19463
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.