Vulnerability · Published Mar 31, 2026 · Assigned by GitHub_M

CVE-2026-34540iccDEV: HBO in icMemDump()

Medium 6.2

In plain English

A medium-severity heap buffer overflow in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. 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: poc

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 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.

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-gjx3-6cp6-q2x5 x_refsource_CONFIRM
https://github.com/InternationalColorConsortium/iccDEV/issues/674 x_refsource_MISC
https://github.com/InternationalColorConsortium/iccDEV/pull/689 x_refsource_MISC