The vulnerability of the DNS LDNS library, related to the lack of a mechanism for verifying the source of data, allows attackers to compromise the integrity of the data.

The vulnerability of the DNS LDNS library is related to a lack of mechanisms for verifying the source of the data. Exploiting this vulnerability could allow a malicious actor to compromise the integrity of the data...

Astra Linux – Vulnerability in ldns

When ldns version 1.7.1 verifies a zone file, the ldnsrrnewfrmstrinternal function has a heap out-of-bounds read vulnerability. An attacker can leak information from the heap by constructing a zone file payload...

RHSA-2026:54377 Red Hat Security Advisory: ldns security update

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RHSA-2026:54254 Red Hat Security Advisory: ldns security update

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Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

RHSA-2026:54244 Red Hat Security Advisory: ldns security update

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RHSA-2026:53402 Red Hat Security Advisory: ldns security update

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ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 10 : ldns (RHSA-2026:53402)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:53402 advisory. The ldns packages contain a library with the aim to simplify DNS programming in C. All low-level DNS/DNSSEC operations are supported. We also defin...

ldns security update

An update is available for ldns. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The ldns packages contain a library with the aim to simplify DNS programming in...

RLSA-2026:50108 Important: ldns security update

The ldns packages contain a library with the aim to simplify DNS programming in C. All low-level DNS/DNSSEC operations are supported. We also define a higher level API which allows a programmer to for instance create or sign packets. Security Fixes: ldns: ldns: Off-path poisoning attacks due to...

ldns security update

An update is available for ldns. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The ldns packages contain a library with the aim to simplify DNS programming in ...

Oracle Linux 10 : ldns (ELSA-2026-49836)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-49836 advisory. 1.8.3-18.1 - Fix CVE-2026-10846: Off-path poisoning attacks due to insufficient query-response matching RHEL-210690 Tenable has extracted the preceding...

Oracle Linux 8 : ldns (ELSA-2026-49520)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-49520 advisory. - Fix CVE-2026-10846: validate DNS response source address, transaction ID, and query section matching Tenable has extracted the preceding description block...