8.6

RHSA-2025:21740: bind Red Hat

CVSS: 8.6v3.1HighPublished
Published 19-11-2025Last modified 14-10-2026
Open JSON

Vulnerability summary

RHSA-2025:21740 is a high (CVSS 8.6) vulnerability in bind Red Hat.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.1 (OSV · Red hat), selected by version preference
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0
CVE-2021-25220CVE-2025-40778

Timeline

  1. 19-11-2025
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: bind security update

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

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

No weakness data has been published for this record.

Affected systems

Redhat27 products
  • bind< 32:9.11.26-4.el8_4.8
  • bind-chroot< 32:9.11.26-4.el8_4.8
  • bind-debuginfo< 32:9.11.26-4.el8_4.8
  • bind-debugsource< 32:9.11.26-4.el8_4.8
  • bind-devel< 32:9.11.26-4.el8_4.8

1 vendor · 27 products

References

12 links
Show all 12 references