CVE-2018-19210

libtiff: NULL pointer dereference in TIFFWriteDirectorySec function in tif_dirwrite.c

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · October 28, 2018

Updated · June 27, 2026

Description

A vulnerability was found in LibTIFF due to a NULL pointer dereference in the TIFFWriteDirectorySec function within tif_dirwrite.c, where an attacker could exploit this flaw by persuading a victim to open a specially crafted file, causing the application to crash and resulting in a denial of service condition.

Statement

This vulnerability was rated as LOW severity because it requires the victim to open a specially crafted file. While it does not allow full system compromise, it can cause the application to crash temporarily.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-476 · NULL Pointer Dereference