Red Hat Security Advisory: bind security update
A security vulnerability (CVE-2025-40778) affecting the Berkeley Internet Name Domain (BIND) implementation used in Red Hat Enterprise Linux 7 Extended Lifecycle Support has been identified. The issue involves cache poisoning attacks using unsolicited resource records (RRs). Red Hat has issued an important security advisory with an update to address this vulnerability. The advisory provides updated packages to remediate the issue. No known exploits in the wild have been reported at this time.
AI Analysis
Technical Summary
CVE-2025-40778 is a vulnerability in BIND, the DNS protocol implementation including the named DNS server, resolver library, and verification tools. The vulnerability allows cache poisoning attacks via unsolicited resource records, potentially allowing an attacker to inject false DNS data into the cache. This affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions. Red Hat has released updated bind packages to fix this issue as detailed in advisory RHSA-2025:22205.
Potential Impact
The vulnerability enables cache poisoning attacks, which can cause DNS resolvers to return incorrect DNS data. This can lead to redirection of network traffic to malicious destinations. The severity is rated as high by the source data, indicating significant risk if exploited. However, no known exploits in the wild have been reported so far.
Mitigation Recommendations
Red Hat has released updated bind packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2025:22205 and the referenced article https://access.redhat.com/articles/11258. Applying this official patch is the recommended remediation. Patch status is confirmed as available.
Red Hat Security Advisory: bind security update
Description
A security vulnerability (CVE-2025-40778) affecting the Berkeley Internet Name Domain (BIND) implementation used in Red Hat Enterprise Linux 7 Extended Lifecycle Support has been identified. The issue involves cache poisoning attacks using unsolicited resource records (RRs). Red Hat has issued an important security advisory with an update to address this vulnerability. The advisory provides updated packages to remediate the issue. No known exploits in the wild have been reported at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-40778 is a vulnerability in BIND, the DNS protocol implementation including the named DNS server, resolver library, and verification tools. The vulnerability allows cache poisoning attacks via unsolicited resource records, potentially allowing an attacker to inject false DNS data into the cache. This affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions. Red Hat has released updated bind packages to fix this issue as detailed in advisory RHSA-2025:22205.
Potential Impact
The vulnerability enables cache poisoning attacks, which can cause DNS resolvers to return incorrect DNS data. This can lead to redirection of network traffic to malicious destinations. The severity is rated as high by the source data, indicating significant risk if exploited. However, no known exploits in the wild have been reported so far.
Mitigation Recommendations
Red Hat has released updated bind packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2025:22205 and the referenced article https://access.redhat.com/articles/11258. Applying this official patch is the recommended remediation. Patch status is confirmed as available.
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
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007f8f6
Added to database: 6/2/2026, 9:43:34 PM
Last enriched: 6/2/2026, 10:01:41 PM
Last updated: 6/3/2026, 5:03:44 AM
Views: 3
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