CVE-2026-34555

iccDEV: SBO in CIccTagFixedNum::GetValues()

MEDIUM
6.2
CVSS Score
Published: March 31, 2026 at 10:21 PM UTC
Updated: June 17, 2026 at 10:39 AM UTC
2 products affected across 2 vendorsIccdeviccDEV

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.2%
SSVC
PoC

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 a stack-buffer-overflow (SBO) in CIccTagFixedNum<>::GetValues() and a related bug chain. The primary crash is an AddressSanitizer-reported WRITE of size 4 that overflows a 4-byte stack variable (rv) via the call chain CIccTagFixedNum::GetValues() -> CIccTagStruct::GetElemNumberValue(). This issue has been patched in version 2.3.1.6.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.3.1.6
v < 2.3.1.6
Affected range stops below 2.3.1.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

x_refsource_MISCExploitIssue Tracking
Source: cverecord
https://github.com/InternationalColorConsortium/iccDEV/issues/696
x_refsource_MISCExploitIssue Tracking
Source: cverecord
https://github.com/InternationalColorConsortium/iccDEV/issues/697
x_refsource_MISCExploitIssue Tracking
Source: cverecord
https://github.com/InternationalColorConsortium/iccDEV/issues/698
x_refsource_MISCExploitIssue Tracking
Source: cverecord
https://github.com/InternationalColorConsortium/iccDEV/issues/703
x_refsource_MISCIssue TrackingPatch
Source: cverecord
https://github.com/InternationalColorConsortium/iccDEV/pull/739

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMGitHub_M
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121

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