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CVE-2016-5044

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote...

7.5 HighFix available

CVE-2016-5044 is a high vulnerability (CVSS 7.5) in Libdwarf Project Libdwarf, published February 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.26%, the 91st percentile. Fixed in dwarfutils 20160507-1.

What does this mean?
Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
4.26%EPSS, 91st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
20160507-1dwarfutils +3 more

Description

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

4.26%Up 3.1 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dwarfutils
Debian:12
before 20160507-1
20160507-1
dwarfutils
Debian:13
before 20160507-1
20160507-1
dwarfutils
Debian:14
before 20160507-1
20160507-1
dwarfutils
Ubuntu:16.04:LTS
All versions, plus listed versions
20120410-220120410-2+deb7u2build0.16.04.1
None known

What each source reports

NVD Score used7.5

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
CVE-2016-5044
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE ListNo score

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
CVE-2016-5044
Updated
2026-11-02
EUVDEUVD-2016-5997No score

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
EUVD-2016-5997
Updated
2026-11-03
GitHub AdvisoriesGHSA-crxr-f9f8-qwr27.5

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote...

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
GHSA-crxr-f9f8-qwr2
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV7.5

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
CVE-2016-5044
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2016-50447.5

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
DEBIAN-CVE-2016-5044
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-50447.5

The WRITE_UNALIGNED function in dwarf_elf_access.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds write and crash) via a crafted DWARF section.

Record
UBUNTU-CVE-2016-5044
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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