CVE-2016-3621

high
Published 2016-10-03 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
6.8
VIR risk
8.8

Description

The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c lzw" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-3621

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201611-26

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201611-27

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-3621.html

OS impact

OSVersionStatusFixed in
suse slesaffected
arch archfixed4.0.7-1
debian debianbookwormfixed4.0.6-3
debian debianbullseyefixed4.0.6-3
debian debianforkyfixed4.0.6-3
debian debiansidfixed4.0.6-3
debian debiantrixiefixed4.0.6-3

Application impact

VendorProductVersionsFixed
libtifflibtiff{"endIncluding":"4.0.6"}

References

CWEs

CWE-125

Verify integrity in audit chain (admin only). AS-IS.