CVE-2020-35524
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.85% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- libtiff/libtiff · debian/debian linux · fedoraproject/fedora · netapp/ontap select deploy administration utility · redhat/enterprise linux
- Source
- secalert@redhat.com
EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1932044Issue Tracking, Patch, Third Party Advisory
- https://gitlab.com/libtiff/libtiff/-/merge_requests/159Patch, Third Party Advisory
- https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00023.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
- https://security.gentoo.org/glsa/202104-06Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210521-0009/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4869Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1932044Issue Tracking, Patch, Third Party Advisory
- https://gitlab.com/libtiff/libtiff/-/merge_requests/159Patch, Third Party Advisory
- https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00023.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
- https://security.gentoo.org/glsa/202104-06Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210521-0009/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4869Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.