What is CVE-2021-23158?

CVE-2021-23158 is a critical-severity vulnerability in Htmldoc_project Htmldoc, classified under Double Free. CVSS score: 9.8/10. Published 2022-03-16.

How severe is CVE-2021-23158?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Double Free in Htmldoc_project Htmldoc

CVE-2021-23158

A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export(),in ps-pdf.cxx may result in a write-what-where condition, allowing an attacker to execute arbitrary code and denial of service.

Vulnerability class: Double Free

EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Htmldoc_project Htmldoc — versions 1.9.12
N/a Htmldoc — versions Affects v1.9.12 and before.

Weakness classification (CWE)

CWE-415 — Double Free

References

secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-23158?: CVE-2021-23158 is a critical-severity vulnerability in Htmldoc_project Htmldoc, classified under Double Free. CVSS score: 9.8/10. Published 2022-03-16.
How severe is CVE-2021-23158?: Critical severity. CVSS v3 base score is 9.8 out of 10.