What is CVE-2021-20308?

CVE-2021-20308 is a critical-severity vulnerability in Htmldoc_project Htmldoc, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-04-05.

How severe is CVE-2021-20308?

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

Integer overflow in Htmldoc_project Htmldoc

CVE-2021-20308

Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.

Vulnerability class: Integer Overflow

EPSS: 0.025 (82.8th 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
Debian Debian_linux — versions 9.0
N/a Htmldoc — versions htmldoc 1.9.11 and older

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-20308?: CVE-2021-20308 is a critical-severity vulnerability in Htmldoc_project Htmldoc, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-04-05.
How severe is CVE-2021-20308?: Critical severity. CVSS v3 base score is 9.8 out of 10.