SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-31797

Prior to 2.3.1.5, there is a heap out-of-bounds read in CTiffImg::ReadLine() when iccApplyProfiles processes a crafted TIFF image, causing memory disclosure or crash.

MEDIUM 6.1EPSS 0.15%

Does this matter?

Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap out-of-bounds read in CTiffImg::ReadLine() when iccApplyProfiles processes a crafted TIFF image, causing memory disclosure or crash. This vulnerability is fixed in 2.3.1.5.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
EPSS
0.15% probability · 5th percentile
CISA KEV
Not listed
Weakness
CWE-125, CWE-787
Affected
color/iccdev
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.