Iccdev
CVE-2026-34548
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionGitHub Advisory
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.
AnalysisAI
Denial of service in iccDEV prior to version 2.3.1.6 allows local attackers to crash the iccToXml XML conversion tool via undefined behavior caused by implicit conversion of negative signed integers to unsigned 32-bit values. The vulnerability has CVSS 6.2 (medium severity) and affects all versions before the patched release; no public exploit code has been identified, but the issue is straightforward to trigger with malformed ICC color profiles containing negative integer values.
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Vulnerability AssessmentAI
| Risk Assessment | The CVSS 6.2 score reflects medium severity with local attack vector (AV:L), low complexity (AC:L), no privilege requirement (PR:N), and availability impact (A:H). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with local file system access (or via a service that processes user-supplied ICC color profiles) crafts a malformed ICC profile containing a negative signed integer in a field expected to hold an unsigned 32-bit value. When iccToXml processes this profile, the implicit type conversion triggers undefined behavior, causing the application to crash or hang, disrupting color profile processing workflows. … |
| Remediation | Vendor-released patch: iccDEV version 2.3.1.6 and later. … Detailed patch versions, workarounds, and compensating controls in full report. |
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