[ubuntu/mantic-updates] klibc 2.0.13-1ubuntu0.1 (Accepted)

[Ubuntu Archive Robot]

klibc (2.0.13-1ubuntu0.1) mantic-security; urgency=medium

  * SECURITY UPDATE: improper pointer arithmetic
    - debian/patches/CVE-2016-9840.patch: remove offset pointer optimization
      in usr/klibc/zlib/inftrees.c.
    - CVE-2016-9840
  * SECURITY UPDATE: improper pointer arithmetic
    - debian/patches/CVE-2016-9841.patch: remove offset pointer optimization
      in usr/klibc/zlib/inffast.c.
    - CVE-2016-9841
  * SECURITY UPDATE: memory corruption during compression
    - debian/patches/CVE-2018-25032.patch: addresses a bug that can crash
      deflate on rare inputs when using Z_FIXED.
    - CVE-2018-25032
  * SECURITY UPDATE: heap-based buffer over-read
    - debian/patches/CVE-2022-37434-1.patch: adds an extra condition to check
      if state->head->extra_max is greater than len before copying, and moves
      the len assignment to be placed before the check in
      usr/klibc/zlib/inflate.c.
    - debian/patches/CVE-2022-37434-2.patch: in the previous patch, the
      placement of the len assignment was causing issues so it was moved
      within the conditional check.
    - CVE-2022-37434

Date: 2024-04-13 10:06:10.702470+00:00
Changed-By: Ian Constantin <ian.constantin at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/klibc/2.0.13-1ubuntu0.1
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