CVE-2014-9116
mutt: incorrect use of mutt_substrdup() in write_one_header()
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 26, 2014
Updated · June 27, 2026
Description
The write_one_header function in mutt 1.5.23 does not properly handle newline characters at the beginning of a header, which allows remote attackers to cause a denial of service (crash) via a header with an empty body, which triggers a heap-based buffer overflow in the mutt_substrdup function.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 2.6AV:N/AC:H/Au:N/C:N/I:N/A:P
CWE-469 · Use of Pointer Subtraction to Determine Size