CVE-2015-2191

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.

Published: 2015-03-08 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-2191 is rated Moderate Risk (50.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.57%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-2191

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-10 3.29% 3.57% +0.28%
2 2025-03-30 5.64% 3.29% -2.35%
3 2025-03-29 — 5.64% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2191

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-2191

OS Trackers for CVE-2015-2191

vendor priority summary link
debian not yet assigned CVE-2015-2191 not yet assigned priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-2191
gentoo normal CVE-2015-2191: 1 GLSA(s) (201510-03), 1 atom(s) (net-analyzer/wireshark); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-2191
redhat low — https://access.redhat.com/security/cve/CVE-2015-2191
suse medium CVE-2015-2191 severity moderate: SUSE including 94 source package names (libwireshark13-3.2.2-3.35.2, libwireshark13-3.2.8-3.44.1, …), 144 product×package rows across 51 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (51 product lines)): Fixed 143, Known Not Affected 1. https://www.suse.com/security/cve/CVE-2015-2191/
ubuntu low CVE-2015-2191 low priority: Ubuntu including 1 source packages (wireshark), 12 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): released 10, not-affected 2. https://ubuntu.com/security/CVE-2015-2191

Affected software / configurations for CVE-2015-2191

Vendor Product Version Raw CPE
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
mageia mageia 4.0 cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:*
wireshark wireshark 1.10.0 cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
wireshark wireshark 1.10.1 cpe:2.3:a:wireshark:wireshark:1.10.1:*:*:*:*:*:*:*
wireshark wireshark 1.10.2 cpe:2.3:a:wireshark:wireshark:1.10.2:*:*:*:*:*:*:*
wireshark wireshark 1.10.3 cpe:2.3:a:wireshark:wireshark:1.10.3:*:*:*:*:*:*:*
wireshark wireshark 1.10.4 cpe:2.3:a:wireshark:wireshark:1.10.4:*:*:*:*:*:*:*
wireshark wireshark 1.10.5 cpe:2.3:a:wireshark:wireshark:1.10.5:*:*:*:*:*:*:*
wireshark wireshark 1.10.6 cpe:2.3:a:wireshark:wireshark:1.10.6:*:*:*:*:*:*:*
wireshark wireshark 1.10.7 cpe:2.3:a:wireshark:wireshark:1.10.7:*:*:*:*:*:*:*
wireshark wireshark 1.10.8 cpe:2.3:a:wireshark:wireshark:1.10.8:*:*:*:*:*:*:*
wireshark wireshark 1.10.9 cpe:2.3:a:wireshark:wireshark:1.10.9:*:*:*:*:*:*:*
wireshark wireshark 1.10.10 cpe:2.3:a:wireshark:wireshark:1.10.10:*:*:*:*:*:*:*
wireshark wireshark 1.10.11 cpe:2.3:a:wireshark:wireshark:1.10.11:*:*:*:*:*:*:*
wireshark wireshark 1.10.12 cpe:2.3:a:wireshark:wireshark:1.10.12:*:*:*:*:*:*:*
wireshark wireshark 1.12.0 cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*
wireshark wireshark 1.12.1 cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:*
wireshark wireshark 1.12.2 cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:*
wireshark wireshark 1.12.3 cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

References for CVE-2015-2191

URL Tags
http://advisories.mageia.org/MGASA-2015-0117.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-03/msg00038.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1460.html
http://www.debian.org/security/2015/dsa-3210 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:183 Broken Link
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/72941
http://www.securitytracker.com/id/1031858 Third Party Advisory VDB Entry
http://www.wireshark.org/security/wnpa-sec-2015-10.html Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11023 Issue Tracking
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=608cf324b3962877e9699f3e81e8f82ac9f1ea14
https://security.gentoo.org/glsa/201510-03
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