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Vulnerability record · CVE-2016-9558 · published 28 February 2017

CVE-2016-9558: Libdwarf project libdwarf integer overflow vulnerability

LLibdwarf Project · Libdwarf

(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."

9.8 CVSS 3.1 Critical EPSS 5.1% · top 7.9% CWE-190 · Integer overflow
9.8CVSS 3.1 base score, v2 7.5
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/11/19/6 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/3 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/94491 Third Party AdvisoryVDB Entry
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ ExploitPatchThird Party AdvisoryVDB Entry
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 Third Party Advisory
https://www.prevanders.net/dwarfbug.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/19/6 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/3 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/94491 Third Party AdvisoryVDB Entry
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ ExploitPatchThird Party AdvisoryVDB Entry
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 Third Party Advisory
https://www.prevanders.net/dwarfbug.html Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-9052Libdwarf project libdwarf memory buffer overflow vulnerabilityAn issue, also known as DW201703-006, was discovered in libdwarf 2017-03-21. A heap-based buffer over-read in dwarf_formsdata() is due to a failure t…EPSS 2.7%9.8CVE-2017-9054Libdwarf project libdwarf out-of-bounds read vulnerabilityAn issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a byte pointer was dereferenced just bef…EPSS 1.8%9.8CVE-2017-9055Libdwarf project libdwarf out-of-bounds read vulnerabilityAn issue, also known as DW201703-001, was discovered in libdwarf 2017-03-21. In dwarf_formsdata() a few data types were not checked for being in boun…EPSS 1.7%9.1CVE-2017-9053Libdwarf project libdwarf out-of-bounds read vulnerabilityAn issue, also known as DW201703-005, was discovered in libdwarf 2017-03-21. A heap-based buffer over-read in _dwarf_read_loc_expr_op() is due to a f…EPSS 1.7%9.1CVE-2016-9480Libdwarf project libdwarf memory buffer overflow vulnerabilitylibdwarf 2016-10-21 allows context-dependent attackers to obtain sensitive information or cause a denial of service by using the "malformed dwarf fil…EPSS 3.3%8.8CVE-2022-39170Libdwarf project libdwarf double free vulnerabilitylibdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.EPSS 1.2%8.1CVE-2022-34299Libdwarf project libdwarf out-of-bounds read vulnerabilityThere is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.EPSS 1.4%7.8CVE-2022-32200Libdwarf project libdwarf out-of-bounds read vulnerabilitylibdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.EPSS 0.97%

Source: NIST National Vulnerability Database (record CVE-2016-9558), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.