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Package "libc6-dbg"

Name: libc6-dbg

Description:

GNU C Library: detached debugging symbols
Latest version: 2.35-0ubuntu3.10
Release: jammy (22.04)
Level: security
Repository: main
Head package: glibc
Homepage: https://www.gnu.org/software/libc/libc.html

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Other versions of "libc6-dbg" in Jammy

Repository Area Version
base main 2.35-0ubuntu3
updates main 2.35-0ubuntu3.10

Changelog

Version: 2.35-0ubuntu3.5 2023-12-07 18:07:04 UTC

  glibc (2.35-0ubuntu3.5) jammy-security; urgency=medium

  * SECURITY UPDATE: use-after-free through getcanonname_r plugin call
    - debian/patches/any/CVE-2023-4806-pre1.patch: sort tests and
      tests-container and put one test per line (nss).
    - debian/patches/any/CVE-2023-4806-pre2.patch: simplify canon name
      resolution (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre3.patch: fix leak with AI_ALL
      (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre4.patch: simplify service resolution
      (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre5.patch: make numeric lookup a
      separate routine (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre6.patch: split simple gethostbyname
      into its own function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre7.patch: split nscd lookup code into
      its own function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre8.patch: separate nss lookup loop
      into its own function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre9.patch: make gethosts into a
      function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre10.patch: split loopback lookup into
      its own function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre11.patch: split result generation
      into its own function (gaih_inet).
    - debian/patches/any/CVE-2023-4806-pre12.patch: return EAI_MEMORY on
      allocation failure (gethosts).
    - debian/patches/any/CVE-2023-4806.patch: copy h_name over and free it at
      the end (getaddrinfo).
    - CVE-2023-4806
  * SECURITY UPDATE: use-after-free in gaih_inet function
    - debian/patches/any/CVE-2023-4813.patch: simplify allocations and fix
      merge and continue actions.
    - CVE-2023-4813
  * SECURITY UPDATE: memory leak in getaddrinfo
    - debian/patches/any/CVE-2023-5156.patch: fix leak in getaddrinfo
      introduced by the fix for CVE-2023-4806.
    - CVE-2023-5156

 -- Camila Camargo de Matos <email address hidden> Wed, 22 Nov 2023 10:18:45 -0300
Source diff to previous version
CVE-2023-4806 A flaw was found in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an applicatio
CVE-2023-4813 A flaw was found in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. Th
CVE-2023-5156 A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application

Version: 2.35-0ubuntu3.4 2023-10-03 20:11:55 UTC

  glibc (2.35-0ubuntu3.4) jammy-security; urgency=medium

  * SECURITY UPDATE: privilege escalation in ld.so
    - debian/patches/any/CVE-2023-4911.patch: terminate immediately if end
      of input is reached in elf/dl-tunables.c.
    - CVE-2023-4911

 -- Marc Deslauriers <email address hidden> Mon, 25 Sep 2023 10:45:50 -0400
CVE-2023-4911 A buffer overflow was discovered in the GNU C Library's dynamic loader ...


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