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CVE-2017-9998

23
FAUCET Score

CVE-2017-9998 describes a denial-of-service vulnerability in the libdwarf library, specifically within the _dwarf_decode_s_leb128_chk function. An unauthenticated remote attacker can trigger a segmentation fault by providing a specially crafted file, leading to system unavailability. This medium-severity vulnerability has no known public exploits, Metasploit modules, or Nuclei templates, and has received minimal community discussion or media coverage, suggesting low active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1999-12-14, <= 2017-06-28CPE matchmatch criteria
cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 90th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libdwarf

Vendor Advisories (1)

redhatCVE-2017-9998Low

libdwarf: Segmentation fault in the _dwarf_decode_s_leb128_chk function

Jun 28, 2017

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
securityfocus.com / bid/99310
Third Party AdvisoryVDB Entry