CVE-2018-10963

high

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

8.0

Description

The TIFFWriteDirectorySec() function in tif_dirwrite.c in LibTIFF through 4.0.9 allows remote attackers to cause a denial of service (assertion failure and application crash) via a crafted file, a different vulnerability than CVE-2017-13726.

Predictions

Exploit likelihood

20%

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-2018-10963

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201811-18

OS impact

OS	Version	Status	Fixed in
arch		fixed	`4.0.9-2`
debian	bookworm	fixed	`4.0.9-6`
debian	bullseye	fixed	`4.0.9-6`
debian	forky	fixed	`4.0.9-6`
debian	sid	fixed	`4.0.9-6`
debian	trixie	fixed	`4.0.9-6`

References

https://security.archlinux.org/ASA-201811-18
https://security-tracker.debian.org/tracker/CVE-2018-10963

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