An elfutils security update has been released for Debian GNU/Linux 9 LTS to address several security vulnerabilities.

DLA 2802-1: elfutils security update

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Debian LTS Advisory DLA-2802-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
October 30, 2021   https://wiki.debian.org/LTS
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Package : elfutils
Version : 0.168-1+deb9u1
CVE ID : CVE-2018-16062 CVE-2018-16402 CVE-2018-18310 CVE-2018-18520
CVE-2018-18521 CVE-2019-7150 CVE-2019-7665
Debian Bug : 907562 911083 911413 911414 920909 921880

Several vulnerabilities were fixed in elfutils, a collection of
utilities and libraries to handle ELF objects.

CVE-2018-16062

dwarf_getaranges in dwarf_getaranges.c in libdw allowed a denial of
service (heap-based buffer over-read) via a crafted file.

CVE-2018-16402

libelf/elf_end.c in allowed to cause a denial of service (double
free and application crash) because it tried to decompress twice.

CVE-2018-18310

An invalid memory address dereference libdwfl allowed a denial of
service (application crash) via a crafted file.

CVE-2018-18520

A use-after-free in recursive ELF ar files allowed a denial of
service (application crash) via a crafted file.

CVE-2018-18521

A divide-by-zero in arlib_add_symbols() allowed a denial of service
(application crash) via a crafted file.

CVE-2019-7150

A segmentation fault could occur due to dwfl_segment_report_module()
not checking whether the dyn data read from a core file is truncated.

CVE-2019-7665

NT_PLATFORM core notes contain a zero terminated string allowed a
denial of service (application crash) via a crafted file.

For Debian 9 stretch, these problems have been fixed in version
0.168-1+deb9u1.

We recommend that you upgrade your elfutils packages.

For the detailed security status of elfutils please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/elfutils

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS