CVE-2015-2191
wireshark: The TNEF dissector could go into an infinite loop on 32-bit architectures (wnpa-sec-2015-10)
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · March 4, 2015
Updated · November 21, 2025
Description
Integer overflow in the dissect_tnef function in epan/dissectors/packet-tnef.c in the TNEF dissector in Wireshark 1.10.x before 1.10.13 and 1.12.x before 1.12.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted length field in a packet.
Statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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 · 2.9AV:A/AC:M/Au:N/C:N/I:N/A:P
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')