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

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

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.

Affected products

Epub2txt_project Epub2txt
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

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.