CVE-2020-19189
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in...
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
CVE-2020-19189- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
CVE-2020-19189- Updated
- 2026-11-02
EUVDEUVD-2020-11096 No score
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
EUVD-2020-11096- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gx38-wj66-8wfr
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in...
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
GHSA-gx38-wj66-8wfr- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
CVE-2020-19189- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-19189
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
DEBIAN-CVE-2020-19189- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVJLSEC-2026-449
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
JLSEC-2026-449- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-19189
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
- Record
UBUNTU-CVE-2020-19189- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUSN-6451-1 No score
ncurses vulnerability
It was discovered that ncurses could be made to read out of bounds. An attacker could possibly use this issue to cause a denial of service.
- Record
USN-6451-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ncursesDebian:12 |
before 6.1+20191019-1 | 6.1+20191019-1 |
ncursesDebian:13 |
before 6.1+20191019-1 | 6.1+20191019-1 |
ncursesDebian:14 |
before 6.1+20191019-1 | 6.1+20191019-1 |
ncursesDebian:10 |
before 6.1+20181013-2+deb10u4, plus listed versions 6.1+20181013-26.1+20181013-2+deb10u16.1+20181013-2+deb10u26.1+20181013-2+deb10u3 |
6.1+20181013-2+deb10u4 |
Ncurses_jllJulia |
before 6.2.0+0 | 6.2.0+0 |
ncursesUbuntu:Pro:14.04:LTS |
before 5.9+20140118-1ubuntu1+esm4, plus listed versions 5.9+20130608-1ubuntu15.9+20131221-1ubuntu15.9+20140118-1ubuntu15.9+20140118-1ubuntu1+esm15.9+20140118-1ubuntu1+esm25.9+20140118-1ubuntu1+esm3 |
5.9+20140118-1ubuntu1+esm4 |
ncursesUbuntu:Pro:16.04:LTS |
before 6.0+20160213-1ubuntu1+esm4, plus listed versions 5.9+20150516-2ubuntu16.0+20151024-2ubuntu16.0+20151024-2ubuntu26.0+20160213-1ubuntu16.0+20160213-1ubuntu1+esm16.0+20160213-1ubuntu1+esm26.0+20160213-1ubuntu1+esm3 |
6.0+20160213-1ubuntu1+esm4 |
ncursesUbuntu:Pro:18.04:LTS |
before 6.1-1ubuntu1.18.04.1+esm1, plus listed versions 6.0+20160625-1ubuntu16.0+20171125-1ubuntu16.1-1ubuntu16.1-1ubuntu1.18.046.1-1ubuntu1.18.04.1 |
6.1-1ubuntu1.18.04.1+esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-19189 is a medium vulnerability (CVSS 6.5) in Invisible-island Ncurses, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. Fixed in ncurses 6.1+20191019-1.
References
github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc5.md
lists.debian.org/debian-lts-announce/2023/09/msg00033.html
security.netapp.com/advisory/ntap-20231006-0005
support.apple.com/kb/HT214038
Show 10 moreShow less
seclists.org/fulldisclosure/2023/Dec/9
cert-portal.siemens.com/productcert/html/ssa-398330.html
nvd.nist.gov/vuln/detail/CVE-2020-19189
security-tracker.debian.org/tracker/CVE-2020-19189
ubuntu.com/security/CVE-2020-19189
cve.org/CVERecord?id=CVE-2020-19189