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Package "unbound"

Name: unbound

Description:

validating, recursive, caching DNS resolver
Latest version: 1.19.2-1ubuntu3.5
Release: noble (24.04)
Level: security
Repository: universe
Homepage: https://www.unbound.net/

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Other versions of "unbound" in Noble

Repository Area Version
base universe 1.19.2-1ubuntu3
base main 1.19.2-1ubuntu3
security main 1.19.2-1ubuntu3.5
updates main 1.19.2-1ubuntu3.5
updates universe 1.19.2-1ubuntu3.5

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Changelog

Version: 1.19.2-1ubuntu3.5 2025-07-22 20:06:46 UTC

  unbound (1.19.2-1ubuntu3.5) noble-security; urgency=medium

  * SECURITY UPDATE: Rebirthday Attack cache poisoning issue
    - debian/patches/CVE-2025-5994.patch: Fix issue in
      edns-subnet/subnetmod.c, edns-subnet/subnetmod.h.
    - CVE-2025-5994

 -- Marc Deslauriers <email address hidden> Fri, 18 Jul 2025 13:32:04 -0400
Source diff to previous version
CVE-2025-5994 A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet (ECS)

Version: 1.19.2-1ubuntu3.3 2024-10-22 11:07:03 UTC

  unbound (1.19.2-1ubuntu3.3) noble-security; urgency=medium

  * SECURITY UPDATE: denial of service via large RRsets compression
    - debian/patches/CVE-2024-8508.patch: limit name compression
      calculations per packet to avoid CPU lockup in util/data/msgencode.c
    - CVE-2024-8508

 -- Vyom Yadav <email address hidden> Thu, 17 Oct 2024 11:23:42 +0530
Source diff to previous version
CVE-2024-8508 NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform

Version: 1.19.2-1ubuntu3.2 2024-09-11 08:06:57 UTC

  unbound (1.19.2-1ubuntu3.2) noble-security; urgency=medium

  * SECURITY UPDATE: null pointer dereference
    - debian/patches/CVE-2024-43167-1.patch: fix null pointer
      dereference issue in function ub_ctx_set_fwd of file
      libunbound/libunbound.c
    - debian/patches/CVE-2024-43167-2.patch: fix to print a parse
      error when config is read with no name for a forward-zone, stub-
      zone or view.
    - CVE-2024-43167
  * SECURITY UPDATE: heap buffer overflow
    - debian/patches/CVE-2024-43168-1.patch: fix heap-buffer-overflow
      issue in function cfg_mark_ports of file util/config_file.c
    - debian/patches/CVE-2024-43168-2.patch: adjust error text and
      disallow negative ports in other parts of cfg_mark_ports.
    - CVE-2024-43168

 -- Bruce Cable <email address hidden> Thu, 05 Sep 2024 17:51:24 +1000
Source diff to previous version
CVE-2024-43167 A NULL pointer dereference flaw was found in the ub_ctx_set_fwd function in Unbound. This issue could allow an attacker who can invoke specific seque
CVE-2024-43168 A heap-buffer-overflow flaw was found in the cfg_mark_ports function within Unbound's config_file.c, which can lead to memory corruption. This issue

Version: 1.19.2-1ubuntu3.1 2024-05-28 14:07:19 UTC

  unbound (1.19.2-1ubuntu3.1) noble-security; urgency=medium

  * SECURITY UPDATE: Unbound could be used to take part in a DoS attack
    - debian/patches/CVE-2024-33655.patch: fix for the DNSBomb
      vulnerability in doc/example.conf.in, doc/unbound.conf.5.in,
      services/cache/infra.c, services/cache/infra.h, services/mesh.c,
      testdata/*, util/config_file.c, util/config_file.h,
      util/configlexer.lex, util/configparser.y.
    - CVE-2024-33655

 -- Marc Deslauriers <email address hidden> Wed, 15 May 2024 12:01:37 +0200


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