// For flags

CVE-2021-42715

Gentoo Linux Security Advisory 202409-15

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in stb stb_image.h 1.33 through 2.27. The HDR loader parsed truncated end-of-file RLE scanlines as an infinite sequence of zero-length runs. An attacker could potentially have caused denial of service in applications using stb_image by submitting crafted HDR files.

Se ha detectado un problema en stb stb_image.h versiones 1.33 hasta 2.27. El cargador HDR analizaba líneas de exploración RLE truncadas al final del archivo como una secuencia infinita de ejecuciones de longitud cero. Un atacante podría haber causado potencialmente una denegación de servicio en las aplicaciones usando stb_image al enviar archivos HDR diseñados

An update that fixes three vulnerabilities is now available. This update for zxing-cpp fixes the following issues. Fixed buffer overflow vulnerability in function stbi__extend_receive in stb_image.h via a crafted JPEG file. Fixed buffer overflow in stb_image PNM loader. Fixed denial of service in stb_image HDR loader when reading crafted HDR files.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-19 CVE Reserved
  • 2021-10-21 CVE Published
  • 2024-08-04 CVE Updated
  • 2025-04-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (12)
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nothings
Search vendor "Nothings"
Stb Image.h
Search vendor "Nothings" for product "Stb Image.h"
>= 1.33 <= 2.27
Search vendor "Nothings" for product "Stb Image.h" and version " >= 1.33 <= 2.27"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
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33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected
Fedoraproject
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Fedora
Search vendor "Fedoraproject" for product "Fedora"
34
Search vendor "Fedoraproject" for product "Fedora" and version "34"
-
Affected
Fedoraproject
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Fedora
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35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected