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CVE-2016-2523

21
FAUCET Score

CVE-2016-2523 describes a denial-of-service vulnerability in the DNP3 dissector of Wireshark versions 1.12.x before 1.12.10 and 2.0.x before 2.0.2. A remote attacker can exploit this by sending a specially crafted packet, causing an infinite loop within the dnp3_al_process_object function. This medium-severity vulnerability has a CVSSv3 score of 5.9, indicating a network-based attack with high impact on availability, but requiring high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.12.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*
1.12.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:*
1.12.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:*
1.12.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:*
1.12.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.10%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0310 is in the 80th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wireshark

Vendor Advisories (1)

redhatCVE-2016-2523Moderate

wireshark: DNP3 dissector infinite loop (wnpa-sec-2016-03)

Feb 26, 2016

References

lists.opensuse.org / opensuse-updates/2016-03/msg00015.html
lists.opensuse.org / opensuse-updates/2016-03/msg00016.html
bugs.wireshark.org / bugzilla/show_bug.cgi
Vendor Advisory
code.wireshark.org / review/gitweb
security.gentoo.org / glsa/201604-05
debian.org / security/2016/dsa-3516
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securitytracker.com / id/1035118
wireshark.org / security/wnpa-sec-2016-03.html
Vendor Advisory