CVE-2017-11113

Exp

In ncurses 6.0, there is a NULL Pointer Dereference in the _nc_parse_entry function of tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is used to process untrusted terminfo data.

Published: 2017-07-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-11113 is rated High Exploit Risk (75.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.39%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.02% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-11113

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-11113

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.37% 2.39% +2.02%
2 2026-02-26 0.28% 0.37% +0.09%
3 2025-07-29 — 0.28% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-11113

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-11113

OS Trackers for CVE-2017-11113

vendor priority summary link
debian not yet assigned CVE-2017-11113 not yet assigned priority: Debian including 1 source packages (ncurses), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-11113
gentoo normal CVE-2017-11113: 1 GLSA(s) (201804-13), 1 atom(s) (sys-libs/ncurses); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-11113
redhat low — https://access.redhat.com/security/cve/CVE-2017-11113
suse medium CVE-2017-11113 severity moderate: SUSE including 90 source package names (0.9.1:libncurses5-5.9-50.1, 0.9.1:libncurses6-5.9-50.1, …), 436 product×package rows across 76 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (76 product lines)): Fixed 322, Known Not Affected 114. https://www.suse.com/security/cve/CVE-2017-11113/
ubuntu negligible CVE-2017-11113 negligible priority: Ubuntu including 1 source packages (ncurses), 15 status rows across 15 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial, yakkety, zesty): not-affected 9, ignored 3, released 3. https://ubuntu.com/security/CVE-2017-11113

Affected software / configurations for CVE-2017-11113

Vendor Product Version Raw CPE
gnu ncurses 6.0 cpe:2.3:a:gnu:ncurses:6.0:*:*:*:*:*:*:*

References for CVE-2017-11113

URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1464691 Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201804-13 Third Party Advisory
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