Buffer overflow in Epub2txt Project

CVE-2022-23850

xhtml_translate_entity in xhtml.c in epub2txt (aka epub2txt2) through 2.02 allows a stack-based buffer overflow via a crafted EPUB document.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-23850: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23850?
CVE-2022-23850 is a high-severity vulnerability in Epub2txt Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-23.
How severe is CVE-2022-23850?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-23850 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.