How severe is CVE-2017-11112?

CVE-2017-11112 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-11112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11112?

CVE-2017-11112 affects Invisible-island Ncurses. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11112?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-11112 published?

CVE-2017-11112 was published on 2017-07-08 and last updated on 2026-07-23.

CVE-2017-11112

CVE-2017-11112 is a high-severity vulnerability in Invisible-island Ncurses with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Invisible-island Ncurses
Published: 2017-07-08
Last modified: 2026-07-23

Description

In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs 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.

Frequently asked questions

What is CVE-2017-11112?: In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs 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.
How severe is CVE-2017-11112?: CVE-2017-11112 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-11112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11112?: CVE-2017-11112 affects Invisible-island Ncurses. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11112 published?: CVE-2017-11112 was published on 2017-07-08 and last updated on 2026-07-23.

References

Affected products (1)

cpe:2.3:a:invisible-island:ncurses:6.0:*:*:*:*:*:*:*

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