CVE-2025-40778: bind security update
Affects bindSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.6 High : upgrade to 32:9.16.23-34.el9_7.1 soon.
Data as of 13 Nov 2026, 18:29 UTC
- Patch
- Available – fixed in 32:9.16.23-34.el9_7.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade the AlmaLinux to 32:9.16.23-34.el9_7.1.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 9bind | Affected
| Fixed in
|
| AlmaLinux 9bind-chroot | Affected
| Fixed in
|
| AlmaLinux 9bind-devel | Affected
| Fixed in
|
| AlmaLinux 9bind-dnssec-doc | Affected
| Fixed in
|
| AlmaLinux 9bind-dnssec-utils | Affected
| Fixed in
|
| AlmaLinux 9bind-doc | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly. Security Fix(es): * bind: Cache poisoning attacks with unsolicited RRs (CVE-2025-40778) * bind: Cache poisoning due to weak PRNG (CVE-2025-40780) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
- access.redhat.com/errata/RHSA-2025:21110 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-40778 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-40780 (opens in a new tab)
- bugzilla.redhat.com/2405827 (opens in a new tab)
- bugzilla.redhat.com/2405829 (opens in a new tab)
- errata.almalinux.org/9/ALSA-2025-21110.html (opens in a new tab)