Vulnerability · Published Oct 3, 2023 · Assigned by mitre
CVE-2023-43898
Medium 5.5
In plain English
A medium-severity null pointer dereference in the stb package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 74.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Nothings stb 2.28 was discovered to contain a Null Pointer Dereference via the function stbi__convert_format. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted pic file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | stb | 0_git20231012-r0 | ALPINE-CVE-2023-43898 |
| Alpine:v3.21 | stb | 0_git20231012-r0 | ALPINE-CVE-2023-43898 |
| Alpine:v3.22 | stb | 0_git20231012-r0 | ALPINE-CVE-2023-43898 |
| Alpine:v3.23 | stb | 0_git20231012-r0 | ALPINE-CVE-2023-43898 |
| Alpine:v3.24 | stb | 0_git20231012-r0 | ALPINE-CVE-2023-43898 |
| Debian:12 | libstb | no fix listed | DEBIAN-CVE-2023-43898 |
| Debian:13 | libstb | no fix listed | DEBIAN-CVE-2023-43898 |
| Debian:14 | libstb | no fix listed | DEBIAN-CVE-2023-43898 |
| Ubuntu:22.04:LTS | libstb | no fix listed | UBUNTU-CVE-2023-43898 |
| Ubuntu:24.04:LTS | libstb | no fix listed | UBUNTU-CVE-2023-43898 |
| Ubuntu:25.10 | libstb | no fix listed | UBUNTU-CVE-2023-43898 |
| Ubuntu:26.04:LTS | libstb | no fix listed | UBUNTU-CVE-2023-43898 |
| Ubuntu:26.10 | libstb | no fix listed | UBUNTU-CVE-2023-43898 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H