stb up to 2.27 HDR Loader stb_image.h denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in stb up to 2.27. It has been declared as problematic. Impacted is an unknown function of the file stb_image.h of the component HDR Loader. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-42715. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in stb up to 2.27. This vulnerability affects some unknown processing of the file stb_image.h of the component HDR Loader. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 10/22/2021 as 1224. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-42715 since 10/19/2021. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 300133 (Debian dla-4493 : libstb-dev - security update), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (300133). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 300133
Nessus Name: Debian dla-4493 : libstb-dev - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

10/19/2021 🔍
10/22/2021 +3 days 🔍
10/22/2021 +0 days 🔍
03/01/2026 +1591 days 🔍

Sourcesinfo

Advisory: 1224
Status: Confirmed

CVE: CVE-2021-42715 (🔍)
GCVE (CVE): GCVE-0-2021-42715
GCVE (VulDB): GCVE-100-185212

Entryinfo

Created: 10/22/2021 07:25
Updated: 03/01/2026 20:55
Changes: 10/22/2021 07:25 (40), 10/28/2021 14:56 (1), 03/01/2026 20:55 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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