9.8
CRITICAL CVSS 3.0
CVE-2018-7263
Underbit Libmad Double Free Vulnerability
Description

The mad_decoder_run() function in decoder.c in Underbit libmad through 0.15.1b allows remote attackers to cause a denial of service (SIGABRT because of double free or corruption) or possibly have unspecified other impact via a crafted file. NOTE: this may overlap CVE-2017-11552.

INFO

Published Date :

Feb. 20, 2018, 9:29 p.m.

Last Modified :

Nov. 21, 2024, 4:11 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2018-7263 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.

ID Vendor Product Action
1 Underbit libmad
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 MEDIUM [email protected]
CVSS 3.0 CRITICAL [email protected]
Solution
Follow the instructions below to mitigate the CVE-2018-7263 vulnerability.
Update the affected packages.
Public PoC/Exploit Available at Github

CVE-2018-7263 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-7263.

URL Resource
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870608 Mailing List Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1081784 Issue Tracking Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870608 Mailing List Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1081784 Issue Tracking Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-7263 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-2018-7263 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).

Python script that fetches, analyzes, and reports Microsoft Patch Tuesday updates via the MSRC API — with a clean web interface for easy viewing.

Python

Updated: 5 days, 18 hours ago
18 stars 1 fork 1 watcher
Born at : July 4, 2025, 11:29 a.m. This repo has been linked 52 different CVEs too.

None

Updated: 5 years, 5 months ago
1 stars 0 fork 0 watcher
Born at : July 17, 2018, 7:48 p.m. This repo has been linked 494 different CVEs too.

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

The following list is the news that have been mention CVE-2018-7263 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7263 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

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870608
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1081784
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 19, 2018

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1081784 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1081784 Issue Tracking, Third Party Advisory
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870608 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870608 Mailing List, Third Party Advisory
    Added CWE CWE-415
    Added CPE Configuration OR *cpe:2.3:a:underbit:libmad:*:*:*:*:*:*:*:* versions up to (including) 0.15.1b
  • CVE Modified by [email protected]

    Feb. 21, 2018

    Action Type Old Value New Value
    Changed Description The mad_decoder_run() function in decoder.c in Underbit libmad through 0.15.1b allows remote attackers to cause a denial of service (SIGABRT because of double free or corruption) or possibly have unspecified other impact via a crafted file. The mad_decoder_run() function in decoder.c in Underbit libmad through 0.15.1b allows remote attackers to cause a denial of service (SIGABRT because of double free or corruption) or possibly have unspecified other impact via a crafted file. NOTE: this may overlap CVE-2017-11552.
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: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.91 }} -2.02%

score

0.73698

percentile