CVE-2016-8679

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-02-15 · updated 2026-06-17
Weakness: CWE-125

Description

The _dwarf_get_size_of_val function in libdwarf/dwarf_util.c in Libdwarf before 20161124 allows remote attackers to cause a denial of service (out-of-bounds read) by calling the dwarfdump command on a crafted file.

Affected products

Libdwarf Project Libdwarf: from 1999-12-14 before 2016-11-24 — fixed in 2016-11-24

How to fix

Upgrade to a fixed version: Libdwarf Project Libdwarf 2016-11-24. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2016/10/16/3
http://www.securityfocus.com/bid/93601
https://blogs.gentoo.org/ago/2016/10/06/libdwarf-heap-based-buffer-overflow-in-_dwarf_get_size_of_val-dwarf_util-c/
https://bugzilla.redhat.com/show_bug.cgi?id=1385689
http://www.openwall.com/lists/oss-security/2016/10/16/3
http://www.securityfocus.com/bid/93601
https://blogs.gentoo.org/ago/2016/10/06/libdwarf-heap-based-buffer-overflow-in-_dwarf_get_size_of_val-dwarf_util-c/
https://bugzilla.redhat.com/show_bug.cgi?id=1385689

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