CVE-2026-34540 | THREATINT

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 icMemDump() when iccDumpProfile attempts to dump/describe malformed tag contents. The issue is observable under AddressSanitizer as an out-of-bounds heap read in icMemDump(...) at IccProfLib/IccUtil.cpp:1002, reachable via CIccTagUnknown::Describe(). This issue has been patched in version 2.3.1.6.

PUBLISHED Reserved 2026-03-30 | Published 2026-03-31 | Updated 2026-04-01 | Assigner GitHub_M

MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

< 2.3.1.6

affected

References

github.com/InternationalColorConsortium/iccDEV/issues/674 exploit

github.com/InternationalColorConsortium/iccDEV/pull/689 exploit

github.com/...iccDEV/security/advisories/GHSA-gjx3-6cp6-q2x5

github.com/InternationalColorConsortium/iccDEV/issues/674

github.com/InternationalColorConsortium/iccDEV/pull/689

cve.org (CVE-2026-34540)

nvd.nist.gov (CVE-2026-34540)

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