CVE-2020-23878
CVE-2020-23878 is a critical-severity vulnerability in Flowpaper Pdf2json with a CVSS 3.x base score of 9.8. 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Flowpaper Pdf2json
- Published:
- Last modified:
Description
pdf2json v0.71 was discovered to contain a stack buffer overflow in the component XRef::fetch.
Frequently asked questions
- What is CVE-2020-23878?
- pdf2json v0.71 was discovered to contain a stack buffer overflow in the component XRef::fetch.
- How severe is CVE-2020-23878?
- CVE-2020-23878 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-23878 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23878?
- CVE-2020-23878 affects Flowpaper Pdf2json. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23878?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-23878 published?
- CVE-2020-23878 was published on 2021-11-10 and last updated on 2026-06-17.
References
- https://github.com/Aurorainfinity/Poc/tree/master/pdf2json
- https://github.com/flexpaper/pdf2json/issues/45
Affected products (1)
- cpe:2.3:a:flowpaper:pdf2json:0.71:*:*:*:*:*:*:*
More vulnerabilities in Flowpaper Pdf2json
- 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…
- CVE-2020-19474 — Medium (CVSS 5.5): An issue has been found in function Gfx::doShowText in PDF2JSON 0.70 that allows attackers to cause a Denial of Service…
All CVEs affecting Flowpaper Pdf2json →
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