Vulnerability · Published Jul 18, 2023 · Assigned by mitre
CVE-2020-23909
High 7.1
In plain English
A high-severity security flaw in the advancecomp package (Ubuntu). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.3%top 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | advancecomp | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:24.04:LTS | advancecomp | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:25.10 | advancecomp | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:26.04:LTS | advancecomp | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:26.10 | advancecomp | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:22.04:LTS | cloop | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:24.04:LTS | cloop | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:25.10 | cloop | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:26.04:LTS | cloop | no fix listed | UBUNTU-CVE-2020-23909 |
| Ubuntu:26.10 | cloop | no fix listed | UBUNTU-CVE-2020-23909 |