Vulnerability · Published May 9, 2023 · Assigned by mitre
CVE-2023-30087
Medium 5.5
In plain English
A medium-severity out-of-bounds write in the openvlbi package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 82.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | openvlbi | no fix listed | UBUNTU-CVE-2023-30087 |
| Ubuntu:24.04:LTS | openvlbi | no fix listed | UBUNTU-CVE-2023-30087 |
| Ubuntu:25.10 | openvlbi | no fix listed | UBUNTU-CVE-2023-30087 |
| Ubuntu:26.04:LTS | openvlbi | no fix listed | UBUNTU-CVE-2023-30087 |
| Ubuntu:26.10 | openvlbi | no fix listed | UBUNTU-CVE-2023-30087 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H