Vulnerability · Published Aug 17, 2023 · Assigned by mitre
CVE-2023-39743
Medium 5.3
In plain English
A medium-severity improper access control in the lrzip package (Ubuntu). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.8%top 42.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | lrzip | no fix listed | UBUNTU-CVE-2023-39743 |
| Ubuntu:24.04:LTS | lrzip | no fix listed | UBUNTU-CVE-2023-39743 |
| Ubuntu:25.10 | lrzip | no fix listed | UBUNTU-CVE-2023-39743 |
| Ubuntu:26.04:LTS | lrzip | no fix listed | UBUNTU-CVE-2023-39743 |
| Ubuntu:26.10 | lrzip | no fix listed | UBUNTU-CVE-2023-39743 |
Affected products (as reported)
Weakness: CWE-284