[ubuntu/bionic-updates] glibc 2.27-3ubuntu1.2 (Accepted)

[Ubuntu Archive Robot]

glibc (2.27-3ubuntu1.2) bionic-security; urgency=medium

  * SECURITY UPDATE: integer overflow in realpath
    - debian/patches/any/CVE-2018-11236.patch: fix path length overflow in
      realpath in stdlib/Makefile, stdlib/canonicalize.c,
      stdlib/test-bz22786.c.
    - CVE-2018-11236
  * SECURITY UPDATE: buffer overflow in __mempcpy_avx512_no_vzeroupper
    - debian/patches/any/CVE-2018-11237-1.patch: don't write beyond
      destination in string/test-mempcpy.c,
      sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S.
    - debian/patches/any/CVE-2018-11237-2.patch: add a test case in
      string/test-memcpy.c.
    - CVE-2018-11237
  * SECURITY UPDATE: if_nametoindex() does not close descriptor
    - debian/patches/any/CVE-2018-19591.patch: fix descriptor for overlong
      name in sysdeps/unix/sysv/linux/if_index.c.
    - CVE-2018-19591
  * SECURITY UPDATE: heap over-read via regular-expression match
    - debian/patches/any/CVE-2019-9169.patch: fix read overrun in
      posix/regexec.c.
    - CVE-2019-9169
  * SECURITY UPDATE: ASLR bypass
    - debian/patches/any/CVE-2019-19126.patch: check __libc_enable_secure
      before honoring LD_PREFER_MAP_32BIT_EXEC in
      sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h.
    - CVE-2019-19126
  * SECURITY UPDATE: out-of-bounds write on PowerPC
    - debian/patches/any/CVE-2020-1751.patch: fix array overflow in
      backtrace on PowerPC in debug/tst-backtrace5.c,
      sysdeps/powerpc/powerpc32/backtrace.c,
      sysdeps/powerpc/powerpc64/backtrace.c.
    - CVE-2020-1751
  * SECURITY UPDATE: use-after-free via tilde expansion
    - debian/patches/any/CVE-2020-1752.patch: fix use-after-free in glob
      when expanding ~user in posix/glob.c.
    - CVE-2020-1752
  * SECURITY UPDATE: stack overflow via 80-bit long double function
    - debian/patches/any/CVE-2020-10029-1.patch: avoid ldbl-96 stack
      corruption from range reduction of pseudo-zero in
      sysdeps/ieee754/ldbl-96/Makefile,
      sysdeps/ieee754/ldbl-96/e_rem_pio2l.c,
      sysdeps/ieee754/ldbl-96/test-sinl-pseudo.c.
    - debian/patches/any/CVE-2020-10029-2.patch: use stack protector only
      if available in sysdeps/ieee754/ldbl-96/Makefile.
    - CVE-2020-10029

Date: 2020-06-05 14:36:32.357323+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
Signed-By: Ubuntu Archive Robot <cjwatson+ubuntu-archive-robot at chiark.greenend.org.uk>
https://launchpad.net/ubuntu/+source/glibc/2.27-3ubuntu1.2
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