CVE-2020-19470
CVE-2020-19470 is a medium-severity vulnerability in Flowpaper Pdf2json with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Flowpaper Pdf2json
- Published:
- Last modified:
Description
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) .
Frequently asked questions
- What is CVE-2020-19470?
- 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) .
- How severe is CVE-2020-19470?
- CVE-2020-19470 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-19470 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-19470?
- CVE-2020-19470 affects Flowpaper Pdf2json. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-19470?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-19470 published?
- CVE-2020-19470 was published on 2021-07-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:flowpaper:pdf2json:0.70:*:*:*:*:*:*:*
More vulnerabilities in Flowpaper Pdf2json
- CVE-2020-23878 — Critical (CVSS 9.8): pdf2json v0.71 was discovered to contain a stack buffer overflow in the component XRef::fetch.
- CVE-2018-14947 — High (CVSS 8.8): An issue has been found in PDF2JSON 0.69. XmlFontAccu::CSStyle in XmlFonts.cc has Mismatched Memory Management Routines…
- CVE-2018-14946 — High (CVSS 8.8): An issue has been found in PDF2JSON 0.69. The HtmlString class in ImgOutputDev.cc has Mismatched Memory Management…
- CVE-2020-18750 — High (CVSS 7.8): Buffer overflow in pdf2json 0.69 allows local users to execute arbitrary code by converting a crafted PDF file.
- CVE-2020-23879 — High (CVSS 7.5): pdf2json v0.71 was discovered to contain a NULL pointer dereference in the component ObjectStream::getObject.
- CVE-2020-19475 — Medium (CVSS 5.5): An issue has been found in function CCITTFaxStream::lookChar in PDF2JSON 0.70 that allows attackers to cause a Denial…
All CVEs affecting Flowpaper Pdf2json →
Other CWE-476 (NULL Pointer Dereference) vulnerabilities
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- CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
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- CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…
Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →