Buffer overflow in Gnu Ncurses

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 $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-29491?
CVE-2023-29491 is a high-severity vulnerability in Gnu Ncurses, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-04-14.
How severe is CVE-2023-29491?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-29491 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.