CVE-2021-37789: debian debian_linux Out-of-bounds Write
CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2021-37789DEBIAN-CVE-2021-37789
Published 02-11-2022Last modified 02-05-2025
Vulnerability summary
CVE-2021-37789 is a high (CVSS 8.1) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 02-11-2022PublishedVulnerability first disclosed.
- 02-05-2025Last modifiedVulnerability information updated.
Description
stb_image.h 2.27 has a heap-based buffer over in stbi__jpeg_load, leading to Information Disclosure or Denial of Service.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.83% on 18-09-2026
18-09-202618-10-2026
EPSS score0.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundStb
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- libstb< 0.0~git20210910.af1a5bc+ds-1
- debian_linuxEOL10.0
Stb_project1 product
- stb2.27
Ubuntu1 product
- libstbAll versions (No fix recorded)
3 vendors · 4 products
