CVE-2017-17942

high
Published 2017-12-28 · Modified 2026-05-13
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

In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.

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-2017-17942

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-17942.html

OS impact

OSVersionStatusFixed in
suse slesaffected
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
libtifflibtiff4.0.9

References

CWEs

CWE-125

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