Vulnerability · Published Mar 31, 2026 · Assigned by GitHub_M

CVE-2026-34534iccDEV: HBO in CIccMpeSpectralMatrix::Describe()

Medium 6.2

In plain English

A medium-severity heap buffer overflow 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 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium

Exploit odds (30 days)0.1%top 98.1% 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, a crafted ICC profile can trigger a heap-buffer-overflow (HBO) in CIccMpeSpectralMatrix::Describe(). The issue is observable under AddressSanitizer as an out-of-bounds heap read when running iccDumpProfile on a malicious profile. 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-122 · 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-7x9w-g476-wcc2 x_refsource_CONFIRM
https://github.com/InternationalColorConsortium/iccDEV/issues/665 x_refsource_MISC
https://github.com/InternationalColorConsortium/iccDEV/pull/682 x_refsource_MISC