4.8
MEDIUM CVSS 4.0
CVE-2026-5037
mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow
Description

A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.

INFO

Published Date :

March 29, 2026, 9:15 a.m.

Last Modified :

March 29, 2026, 9:15 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-5037 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 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Apply the provided patch to fix the stack-based buffer overflow in mxmlIndexNew.
  • Apply the patch 6e27354466092a1ac65601e01ce6708710bb9fa5.
  • Update mxml to version 4.0.4 or later.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5037 is associated with the following CWEs:

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-2026-5037 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-5037 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.

  • New CVE Received by [email protected]

    Mar. 29, 2026

    Action Type Old Value New Value
    Added Description A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-121
    Added Reference https://github.com/michaelrsweet/mxml/commit/6e27354466092a1ac65601e01ce6708710bb9fa5
    Added Reference https://github.com/michaelrsweet/mxml/issues/350
    Added Reference https://github.com/michaelrsweet/mxml/issues/350#issuecomment-4051317229
    Added Reference https://github.com/user-attachments/files/25934383/1.xml
    Added Reference https://vuldb.com/submit/778638
    Added Reference https://vuldb.com/vuln/353963
    Added Reference https://vuldb.com/vuln/353963/cti
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.