CVE-2018-20451

CVE-2018-20451 is a medium-severity vulnerability in Libdoc Project Libdoc with a CVSS 3.x base score of 6.5. 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-125.

Key facts

Description

The process_file function in reader.c in libdoc through 2017-10-23 has a heap-based buffer over-read that allows attackers to cause a denial of service (application crash) via a crafted file.

Frequently asked questions

What is CVE-2018-20451?
The process_file function in reader.c in libdoc through 2017-10-23 has a heap-based buffer over-read that allows attackers to cause a denial of service (application crash) via a crafted file.
How severe is CVE-2018-20451?
CVE-2018-20451 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-20451 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20451?
CVE-2018-20451 affects Libdoc Project Libdoc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20451?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20451 published?
CVE-2018-20451 was published on 2018-12-25 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Libdoc Project Libdoc

All CVEs affecting Libdoc Project Libdoc →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →