sezero libtimidity up to 0.2.8 SoundFont loader parse_gen out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k1.22

Summaryinfo

A vulnerability was found in sezero libtimidity up to 0.2.8 and classified as problematic. This vulnerability affects the function parse_gen of the component SoundFont loader. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2026-111154. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in sezero libtimidity up to 0.2.8. It has been rated as problematic. Affected by this issue is the function parse_gen of the component SoundFont loader. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is integrity, and availability. CVE summarizes:

libTiMidity through 0.2.8 contains a stack out-of-bounds write vulnerability in the SoundFont loader that allows attackers to corrupt stack memory via unchecked generator operators in parse_gen. Attackers can supply a crafted .sf2 file with out-of-range pgen/igen operator values to write chosen 16-bit values near the stack Layer object, causing crashes and stack memory corruption.

The advisory is available at hackmd.io. This vulnerability is handled as CVE-2026-111154 since 10/15/2026. The exploitation is known to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/15/2026 Advisory disclosed
10/15/2026 +0 days CVE reserved
10/15/2026 +0 days VulDB entry created
10/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2026-111154 (🔒)
GCVE (CVE): GCVE-0-2026-111154
GCVE (VulDB): GCVE-100-420830

Entryinfo

Created: 10/15/2026 21:34
Changes: 10/15/2026 21:34 (74)
Complete: 🔍
Cache ID: 216::103

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