Vulnerability · Published Jan 8, 2024 · Assigned by talos
CVE-2023-36861
High 7.8
In plain English
A high-severity memory corruption in GTKWave from GTKWave. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 62.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An out-of-bounds write vulnerability exists in the VZT LZMA_read_varint functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gtkwave | 3.3.118-0.1~deb12u1 | DEBIAN-CVE-2023-36861 |
| Debian:12 | gtkwave | 3.3.118-0.1~deb12u1 | DSA-5653-1 |
| Debian:13 | gtkwave | 3.3.118-0.1 | DEBIAN-CVE-2023-36861 |
| Debian:14 | gtkwave | 3.3.118-0.1 | DEBIAN-CVE-2023-36861 |
| Ubuntu:22.04:LTS | gtkwave | no fix listed | UBUNTU-CVE-2023-36861 |
| Ubuntu:24.04:LTS | gtkwave | no fix listed | UBUNTU-CVE-2023-36861 |
| Ubuntu:25.10 | gtkwave | no fix listed | UBUNTU-CVE-2023-36861 |
| Ubuntu:26.04:LTS | gtkwave | no fix listed | UBUNTU-CVE-2023-36861 |
| Ubuntu:26.10 | gtkwave | no fix listed | UBUNTU-CVE-2023-36861 |
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H