Red Hat Security Advisory: bind security update
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) 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.
AI Analysis
Technical Summary
CVE-2025-40778 is a vulnerability in BIND, the DNS protocol implementation used in Red Hat Enterprise Linux 8, that permits cache poisoning attacks through unsolicited resource records. The flaw affects the DNS server and resolver library components, potentially allowing attackers to inject malicious DNS data into the cache. Red Hat Product Security has released an update for BIND in Red Hat Enterprise Linux 8 to fix this vulnerability. The advisory classifies the update as important and provides packages to remediate the issue. No CVSS score is provided in the advisory, but the severity is rated as high.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to poison the DNS cache of a vulnerable BIND server, potentially redirecting DNS queries to malicious destinations. This can undermine DNS integrity and trust, impacting network communications that rely on DNS resolution. The advisory does not report known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for BIND in Red Hat Enterprise Linux 8 that addresses CVE-2025-40778. Users should apply the provided update packages as described in the Red Hat advisory (RHSA-2025:19835) to remediate this vulnerability. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the official patch.
Red Hat Security Advisory: bind security update
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) 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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-40778 is a vulnerability in BIND, the DNS protocol implementation used in Red Hat Enterprise Linux 8, that permits cache poisoning attacks through unsolicited resource records. The flaw affects the DNS server and resolver library components, potentially allowing attackers to inject malicious DNS data into the cache. Red Hat Product Security has released an update for BIND in Red Hat Enterprise Linux 8 to fix this vulnerability. The advisory classifies the update as important and provides packages to remediate the issue. No CVSS score is provided in the advisory, but the severity is rated as high.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to poison the DNS cache of a vulnerable BIND server, potentially redirecting DNS queries to malicious destinations. This can undermine DNS integrity and trust, impacting network communications that rely on DNS resolution. The advisory does not report known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for BIND in Red Hat Enterprise Linux 8 that addresses CVE-2025-40778. Users should apply the provided update packages as described in the Red Hat advisory (RHSA-2025:19835) to remediate this vulnerability. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:22205
- Cve Count
- 1
Threat ID: 6a1f4e86e29bf47b5007f8f6
Added to database: 06/02/2026, 21:43:34 UTC
Last enriched: 07/07/2026, 13:24:17 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 75
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