Vulnerability · Published Sep 9, 2022 · Assigned by mitre
CVE-2022-40320
High 8.8
In plain English
A high-severity security flaw in the libconfuse package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.5%top 26.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libconfuse | 3.3-3 | DEBIAN-CVE-2022-40320 |
| Debian:13 | libconfuse | 3.3-3 | DEBIAN-CVE-2022-40320 |
| Debian:14 | libconfuse | 3.3-3 | DEBIAN-CVE-2022-40320 |
| Ubuntu:22.04:LTS | libconfuse | no fix listed | UBUNTU-CVE-2022-40320 |
| Ubuntu:24.04:LTS | libconfuse | no fix listed | UBUNTU-CVE-2022-40320 |
| Ubuntu:25.10 | libconfuse | no fix listed | UBUNTU-CVE-2022-40320 |
| Ubuntu:26.04:LTS | libconfuse | no fix listed | UBUNTU-CVE-2022-40320 |
| Ubuntu:26.10 | libconfuse | no fix listed | UBUNTU-CVE-2022-40320 |
Affected products (as reported)
References
- https://github.com/libconfuse/libconfuse/issues/163 x_refsource_MISC
- FEDORA-2022-645dc53ee2 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-9b67d67195 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-de992c68d0 vendor-advisory, x_refsource_FEDORA