CVE-2016-9558
CRITICAL
9.8
CVSS Score
Published: February 28, 2017 at 06:00 PM UTC
Updated: June 17, 2026 at 12:56 AM UTC
1 product affected across 1 vendorLibdwarf
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Severity
CRITICAL9.8
Exploit prediction
EPSS 5%
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."
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1999-12-14 ≤ v < 2016-11-24
Affected range stops below 2016-11-24, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/11/19/6Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/11/23/3VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/94491x_refsource_MISCExploitPatchThird Party AdvisoryVDB Entry
Source: [email protected]
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://www.prevanders.net/dwarfbug.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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