CVE-2026-24829
Unknown Unknown - Not Provided

Heap-Based Buffer Overflow in is-Engine Before

Publication date: 2026-01-27

Last updated on: 2026-01-27

Assigner: Government Technology Agency of Singapore Cyber Security Group (GovTech CSG)

Description
Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in Is-Daouda is-Engine.This issue affects is-Engine: before 3.3.4.

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Meta Information

Published
2026-01-27
Last Modified
2026-01-27
Generated
2026-07-06
AI Q&A
2026-01-27
EPSS Evaluated
2026-07-05
NVD
CVE-2026-24829
EUVD
EUVD-2026-4808

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
is-daouda is-engine to 3.3.4 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This vulnerability is a heap-based buffer overflow caused by an out-of-bounds write in the is-Engine software before version 3.3.4. It originated from cloned code derived from the libjpeg-turbo project that did not receive a security patch applied to the original code. This flaw allows writing outside the allocated memory buffer, which can lead to crashes or other unintended behavior. [1]

Impact Analysis

The vulnerability can cause a denial of service or application crash due to the heap-based buffer overflow. According to the CVSS score, it has a high impact on availability (A:H) but does not affect confidentiality or integrity. An attacker could potentially exploit this vulnerability remotely without privileges, but user interaction is required.

Mitigation Strategies

To mitigate this vulnerability, update is-Engine to version 3.3.4 or later where the security patch has been applied. The patch aligns the cloned code with the secure version from libjpeg-turbo, eliminating the out-of-bounds write and heap-based buffer overflow issue. [1]

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