Published: 05/04/2021 Updated: 03/12/2021

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

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htmldoc project htmldoc
debian debian linux 9.0

Debian Bug report logs - #984765 htmldoc: CVE-2021-20308: buffer-overflow caused by integer-overflow in image_load_gif() Package: htmldoc; Maintainer for htmldoc is Håvard Flaget Aasen <haavard_aasen@yahoono>; Source for htmldoc is src:htmldoc (PTS, buildd, popcon) Reported by: Wooseok Kang <kangwoosuk1@gmailcom> ...

Integer overflow in htmldoc 1911 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181 ...

CWE-190 https://bugzilla.redhat.com/show_bug.cgi?id=1946289 https://github.com/michaelrsweet/htmldoc/issues/423 https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=984765 https://nvd.nist.gov https://security.archlinux.org/CVE-2021-20308

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CVE-2021-20308

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