Vulnerability · Published Mar 31, 2026 · Assigned by GitHub_M

CVE-2026-34548iccDEV: UB at IccUtilXml.cpp

Medium 6.2

In plain English

A medium-severity security flaw in iccDEV from InternationalColorConsortium. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium

Exploit odds (30 days)0.2%top 94.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in the XML conversion tooling path (iccToXml) caused by an implicit conversion from a negative signed integer to icUInt32Number (unsigned 32-bit), which changes the value. This issue has been patched in version 2.3.1.6.

Affected products (as reported)

Vendor	Product	Versions
InternationalColorConsortium	iccDEV	< 2.3.1.6

Weakness: CWE-681 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-prwp-9gv6-ccxv x_refsource_CONFIRM
https://github.com/InternationalColorConsortium/iccDEV/issues/722 x_refsource_MISC
https://github.com/InternationalColorConsortium/iccDEV/pull/725 x_refsource_MISC