CVE-2019-17594: invisible-island ncurses Out-of-bounds Read
Vulnerability summary
CVE-2019-17594 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in invisible-island ncurses. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 14-10-2019PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
There is a heap-based buffer over-read in the _nc_find_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (lists.gnu.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- ncurses< 6.1+20191019-1
Invisible-island1 product
- ncurses< 6.2
Opensuse1 product
- leapEOL15.0 | 15.1
Ubuntu1 product
- ncurses< 5.9+20140118-1ubuntu1+esm2 | < 6.0+20160213-1ubuntu1+esm2 | < 6.1-1ubuntu1.18.04.1 | < 6.1+20191019-1ubuntu1
4 vendors · 4 products
References
11 links- lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00017.htmlX Refsource MISCREPORTExploitMailing ListThird Party Advisory
- lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00045.htmlX Refsource MISCREPORTMailing ListPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00059.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00061.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
