4.8
MEDIUM CVSS 4.0
CVE-2025-3512
Qt QTextMarkdownImporter Heap-based Buffer Overflow
Description

There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.This issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.

INFO

Published Date :

April 11, 2025, 8:15 a.m.

Last Modified :

April 25, 2025, 6:15 p.m.

Remotely Exploit :

No

Source :

a59d8014-47c4-4630-ab43-e1b13cbe58e3
Affected Products

The following products are affected by CVE-2025-3512 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM a59d8014-47c4-4630-ab43-e1b13cbe58e3
Solution
Update to a patched version to fix heap-based buffer overflow.
  • Update to Qt version 6.8.4 or later.
  • Apply vendor-provided patches for affected Qt versions.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-3512 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-3512 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-3512 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-3512 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 25, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/25/2
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 25, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/25/1
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 24, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/24/5
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/24/6
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 24, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/24/4
  • New CVE Received by a59d8014-47c4-4630-ab43-e1b13cbe58e3

    Apr. 11, 2025

    Action Type Old Value New Value
    Added Description There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.This issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
    Added CWE CWE-122
    Added Reference https://codereview.qt-project.org/c/qt/qtbase/+/635546
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.8
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability