High 7.8Published Mar 9, 2021

CVE-2020-35524A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool.

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects libtiff and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libtiff libtiff libtiff:libtiff	before 4.2.0	NVD
debian debian_linux debian:debian_linux	9.0; 10.0	NVD
fedoraproject fedora fedoraproject:fedora	33	NVD
netapp ontap_select_deploy_administration_utility netapp:ontap_select_deploy_administration_utility	all versions; all versions	NVD
redhat enterprise_linux redhat:enterprise_linux	6.0; 7.0; 8.0	NVD

References

References

https://bugzilla.redhat.com/show_bug.cgi?id=1932044	issue-tracking, patch, third-party-advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/159	patch, third-party-advisory
https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22	patch, third-party-advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html	mailing-list, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
https://security.gentoo.org/glsa/202104-06	third-party-advisory
https://security.netapp.com/advisory/ntap-20210521-0009/	third-party-advisory
https://www.debian.org/security/2021/dsa-4869	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.