Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20 stb_hexwave.h hexwave_init width/oversample integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k1.59

Summaryinfo

A vulnerability categorized as critical has been discovered in Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20. This affects the function hexwave_init in the library stb_hexwave.h. Executing a manipulation of the argument width/oversample can lead to integer overflow. This vulnerability is handled as CVE-2026-102804. 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 was found in Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20. It has been declared as critical. This vulnerability affects the function hexwave_init in the library stb_hexwave.h. The manipulation of the argument width/oversample with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-102804. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Programming Language: 🔒
Download: 🔒
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

09/29/2026 Advisory disclosed
09/29/2026 +0 days VulDB entry created
09/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1961
Status: Confirmed

CVE: CVE-2026-102804 (🔒)
GCVE (CVE): GCVE-0-2026-102804
GCVE (VulDB): GCVE-100-411496
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/29/2026 19:13
Changes: 09/29/2026 19:13 (58)
Complete: 🔍
Submitter: JerryGW
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #944861: nothings stb (stb_hexwave.h) 31c1ad3 (latest at time of discovery) CWE-190: Integer Overflow; CWE-120: Buffer Overflow (by JerryGW)

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