CVE-2020-21426: freeimage_project freeimage Classic Buffer Overflow
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-21426DEBIAN-CVE-2020-21426
Published 22-08-2023Last modified 04-10-2024
Vulnerability summary
CVE-2020-21426 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in freeimage_project freeimage. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-08-2023PublishedVulnerability first disclosed.
- 04-10-2024Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in function C_IStream::read in PluginEXR.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.49% on 20-09-2026
20-09-202620-10-2026
EPSS score0.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- freeimageAll versions (No fix recorded)
Freeimage_project1 product
- freeimage3.18.0
Ubuntu1 product
- freeimageAll versions (No fix recorded)
3 vendors · 3 products
References
6 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
