CVE-2020-23909: advancemame Out-of-bounds Read
Modified
AliasesUBUNTU-CVE-2020-23909
Published 18-07-2023Last modified 28-10-2024
Vulnerability summary
CVE-2020-23909 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in advancemame. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference
Timeline
- 18-07-2023PublishedVulnerability first disclosed.
- 28-10-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.30% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (sourceforge.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- advancecompAll versions (No fix recorded)
- cloopAll versions (No fix recorded)
Advancemame1 product
- advancemame≤ 2.1
2 vendors · 3 products