Buffer overflow in Neomutt

CVE-2018-14360

An issue was discovered in NeoMutt before 2018-07-16. nntp_add_group in newsrc.c has a stack-based buffer overflow because of incorrect sscanf usage.

Vulnerability class: Buffer Overflow

EPSS: 0.027 (84.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Neomutt
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-14360?: CVE-2018-14360 is a critical-severity vulnerability in Neomutt, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-07-17.
How severe is CVE-2018-14360?: Critical severity. CVSS v3 base score is 9.8 out of 10.