VDB-417466 · Submit #1002209 · CVE-2026-109828

libsndfile up to 1.2.2 WAV Parsing src/wavlike.c wavlike_subchunk_parse uninitialized variable

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	2.34

Summaryinfo

A vulnerability classified as problematic was found in libsndfile up to 1.2.2. Impacted is the function wavlike_subchunk_parse of the file src/wavlike.c of the component WAV Parsing. Executing a manipulation can lead to uninitialized variable. This vulnerability is handled as CVE-2026-109828. The attack can be executed remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic was found in libsndfile up to 1.2.2. This vulnerability affects the function wavlike_subchunk_parse of the file src/wavlike.c of the component WAV Parsing. The manipulation with an unknown input leads to a uninitialized variable vulnerability. The CWE definition for the vulnerability is CWE-457. The code uses a variable that has not been initialized, leading to unpredictable or unintended results. As an impact it is known to affect confidentiality.

The advisory is available at github.com. This vulnerability was named CVE-2026-109828. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Audio Processing Software

Name

libsndfile

Version

License

open-source

Website

Product: https://github.com/libsndfile/libsndfile/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized variable
CWE: CWE-457 / CWE-453
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/13/2026 Advisory disclosed
10/13/2026 +0 days VulDB entry created
10/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1169
Status: Confirmed

CVE: CVE-2026-109828 (🔒)
GCVE (CVE): GCVE-0-2026-109828
GCVE (VulDB): GCVE-100-417466
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/13/2026 07:03
Changes: 10/13/2026 07:03 (58)
Complete: 🔍
Submitter: suyuanwang
Cache ID: 216::103

Submitinfo

Accepted

Submit #1002209: libsndfile b9103bd48b6c8fb517ae737fe3baee0c718b804c Use of Uninitialized Resource (by suyuanwang)