Skip to content
Fencer Vulns
high 7.5

CVE-2020-23879 json

pdf2json v0.71 was discovered to contain a NULL pointer dereference in the component ObjectStream::getObject.

published 2021-11-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16616

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

pdf2json v0.71 was discovered to contain a NULL pointer dereference in the component ObjectStream::getObject.

Exploit prediction

1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Aurorainfinity/Poc/tree/master/pdf2json referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/flexpaper/pdf2json/issues/44 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

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.