CVE-2023-29491
ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in
02 Description
ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-14.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-04-14 00:00Z3 YR AGO
- Last updated
- 2026-10-14 23:03Z14 DAYS AGO
- Reserved
- 2023-04-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- 16e5c5ba03dd3a0df00b4ad291ee9bd810b14b16ba24d2e5c850b3be88a19608
05 Affected products
06 References
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/04/13/4
- ncurses.scripts.mit.eduhttp://ncurses.scripts.mit.edu/?p=ncurses.git%3Ba=commit%3Bh=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/04/12/5
- www.openwall.com[oss-security] 20230419 Re: ncurses fixes upstreamhttp://www.openwall.com/lists/oss-security/2023/04/19/10
- www.openwall.com[oss-security] 20230419 RE: [EXTERNAL] Re: ncurses fixes upstreamhttp://www.openwall.com/lists/oss-security/2023/04/19/11
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20230517-0009/
- support.apple.comhttps://support.apple.com/kb/HT213843
- support.apple.comhttps://support.apple.com/kb/HT213844
- support.apple.comhttps://support.apple.com/kb/HT213845
- lists.debian.org[debian-lts-announce] 20231203 [SECURITY] [DLA 3682-1] ncurses security updatehttps://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
- lists.fedoraproject.orgFEDORA-2024-96090dafafhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-202008.html
07 Fixed in
AlmaLinux 8
- ncurses Fixed in 6.1-9.20180224.el8_8.1
- ncurses-base Fixed in 6.1-9.20180224.el8_8.1
- ncurses-c++-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-compat-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-devel Fixed in 6.1-9.20180224.el8_8.1
- ncurses-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-term Fixed in 6.1-9.20180224.el8_8.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- ncurses Fixed in 6.2-10.20210508.el9
- ncurses-base Fixed in 6.2-10.20210508.el9
- ncurses-c++-libs Fixed in 6.2-10.20210508.el9
- ncurses-devel Fixed in 6.2-10.20210508.el9
- ncurses-libs Fixed in 6.2-10.20210508.el9
- ncurses-term Fixed in 6.2-10.20210508.el9
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- ncurses Fixed in 6.1-9.20180224.el8_8.1
- ncurses-base Fixed in 6.1-9.20180224.el8_8.1
- ncurses-c++-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-compat-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-devel Fixed in 6.1-9.20180224.el8_8.1
- ncurses-libs Fixed in 6.1-9.20180224.el8_8.1
- ncurses-term Fixed in 6.1-9.20180224.el8_8.1
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- ncurses Fixed in 6.2-10.20210508.el9
- ncurses-base Fixed in 6.2-10.20210508.el9
- ncurses-c++-libs Fixed in 6.2-10.20210508.el9
- ncurses-devel Fixed in 6.2-10.20210508.el9
- ncurses-libs Fixed in 6.2-10.20210508.el9
- ncurses-term Fixed in 6.2-10.20210508.el9
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- ncurses Fixed in 6.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ncurses Fixed in 6.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ncurses Fixed in 6.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- ncurses Fixed in 6.1-1ubuntu1.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- ncurses Fixed in 6.2-0ubuntu2.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- ncurses Fixed in 6.3-2ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- ncurses Fixed in 5.9+20140118-1ubuntu1+esm3Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- ncurses Fixed in 6.0+20160213-1ubuntu1+esm3Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.