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CVE-2015-2191

16
FAUCET Score

CVE-2015-2191 describes an integer overflow vulnerability in the TNEF dissector of Wireshark versions 1.10.x and 1.12.x, also affecting Debian, Mageia, and OpenSUSE. This flaw allows remote attackers to trigger a denial of service (infinite loop) by sending a specially crafted packet with a malicious length field. With a CVSS score of 5.0, it is considered a medium-severity vulnerability, requiring no authentication and having low attack complexity, but only impacting availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:*
1.10.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
1.10.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.10.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.89%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0389 is in the 86th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.8.10-17.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wireshark-0:1.10.14-7.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark

Vendor Advisories (1)

redhatCVE-2015-2191Low

wireshark: The TNEF dissector could go into an infinite loop on 32-bit architectures (wnpa-sec-2015-10)

Mar 4, 2015

References

advisories.mageia.org / MGASA-2015-0117.html
Third Party Advisory
lists.opensuse.org / opensuse-updates/2015-03/msg00038.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2015-1460.html
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue Tracking
code.wireshark.org / review/gitweb
security.gentoo.org / glsa/201510-03
debian.org / security/2015/dsa-3210
Third Party Advisory
mandriva.com / security/advisories
Broken Link
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
securityfocus.com / bid/72941
securitytracker.com / id/1031858
Third Party AdvisoryVDB Entry
wireshark.org / security/wnpa-sec-2015-10.html
Vendor Advisory