Out-of-bounds Read in GNU Ncurses
CVE-2019-17594
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (43.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- GNU Ncurses
- Invisible-Island Ncurses
- openSUSE Leap — versions 15.0, 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00017.html (Exploit, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00045.html (Patch, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00059.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00061.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202101-28 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17594?
- CVE-2019-17594 is a medium-severity vulnerability in GNU Ncurses, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2019-10-14.
- How severe is CVE-2019-17594?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-17594 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.