8.8

CVE-2021-23169: fedoraproject fedora Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-23169DEBIAN-CVE-2021-23169
Published 08-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-23169 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in fedoraproject fedora. EPSS estimates a 2.29% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
2.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2021-0326

Timeline

  1. 08-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A heap-buffer overflow was found in the copyIntoFrameBuffer function of OpenEXR in versions before 3.0.1. An attacker could use this flaw to execute arbitrary code with the permissions of the user running the application compiled against OpenEXR.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.29%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • openexr< 2.5.4-2
Fedoraproject1 product
Openexr1 product
Ubuntu1 product
  • openexrAll versions (No fix recorded)

4 vendors · 4 products

References

7 links