Vulnerability · Published Feb 21, 2023 · Assigned by mitre
CVE-2023-26266
High 7.3
In plain English
A high-severity uncontrolled search path in the aflplusplus package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.4%top 65.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
In AFL++ 4.05c, the CmpLog component uses the current working directory to resolve and execute unprefixed fuzzing targets, allowing code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | aflplusplus | 4.04c-4 | DEBIAN-CVE-2023-26266 |
| Debian:13 | aflplusplus | 4.04c-4 | DEBIAN-CVE-2023-26266 |
| Debian:14 | aflplusplus | 4.04c-4 | DEBIAN-CVE-2023-26266 |
| Ubuntu:22.04:LTS | aflplusplus | no fix listed | UBUNTU-CVE-2023-26266 |
| Ubuntu:24.04:LTS | aflplusplus | no fix listed | UBUNTU-CVE-2023-26266 |
| Ubuntu:25.10 | aflplusplus | no fix listed | UBUNTU-CVE-2023-26266 |
| Ubuntu:26.04:LTS | aflplusplus | no fix listed | UBUNTU-CVE-2023-26266 |
| Ubuntu:26.10 | aflplusplus | no fix listed | UBUNTU-CVE-2023-26266 |
Affected products (as reported)
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H