| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in stb 2.27. The affected element is the function stbi__jpeg_load of the file stb_image.h. Executing a manipulation can lead to heap-based overflow.
This vulnerability is tracked as CVE-2021-37789. No exploit exists.
Details
A vulnerability was found in stb 2.27. It has been declared as critical. This vulnerability affects the function stbi__jpeg_load of the file stb_image.h. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
stb_image.h 2.27 has a heap-based buffer over in stbi__jpeg_load, leading to Information Disclosure or Denial of Service.
The weakness was disclosed 11/02/2022 as 1178. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-37789 since 08/02/2021. 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.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (300133). Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 300133
Nessus Name: Debian dla-4493 : libstb-dev - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/02/2021 🔍11/02/2022 🔍
11/02/2022 🔍
03/01/2026 🔍
Sources
Advisory: 1178Status: Confirmed
CVE: CVE-2021-37789 (🔍)
GCVE (CVE): GCVE-0-2021-37789
GCVE (VulDB): GCVE-100-212812
Entry
Created: 11/02/2022 16:18Updated: 03/01/2026 20:55
Changes: 11/02/2022 16:18 (39), 12/03/2022 15:55 (12), 05/03/2025 01:59 (15), 03/01/2026 20:55 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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