Vulnerability · Published Jun 14, 2023 · Assigned by mitre
CVE-2023-34623
High 7.5
In plain English
A high-severity out-of-bounds write in the jtidy package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 41.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered jtidy thru r938 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | jtidy | no fix listed | DEBIAN-CVE-2023-34623 |
| Debian:13 | jtidy | no fix listed | DEBIAN-CVE-2023-34623 |
| Debian:14 | jtidy | no fix listed | DEBIAN-CVE-2023-34623 |
| Ubuntu:22.04:LTS | jtidy | no fix listed | UBUNTU-CVE-2023-34623 |
| Ubuntu:24.04:LTS | jtidy | no fix listed | UBUNTU-CVE-2023-34623 |
| Ubuntu:25.10 | jtidy | no fix listed | UBUNTU-CVE-2023-34623 |
| Ubuntu:26.04:LTS | jtidy | no fix listed | UBUNTU-CVE-2023-34623 |
| Ubuntu:26.10 | jtidy | no fix listed | UBUNTU-CVE-2023-34623 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H