CVE-2020-19470
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to...
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
- Record
CVE-2020-19470- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
- Record
CVE-2020-19470- Updated
- 2026-11-02
EUVDEUVD-2020-11374 No score
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
- Record
EUVD-2020-11374- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9qj3-xgh5-m3v7 No score
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to...
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
- Record
GHSA-9qj3-xgh5-m3v7- Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
- Record
CVE-2020-19470- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-19470 is a medium vulnerability (CVSS 5.5) in Flowpaper Pdf2json, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.