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CVE-2012-2394

23
FAUCET Score

CVE-2012-2394 is a denial-of-service vulnerability affecting Wireshark versions 1.4.x before 1.4.13 and 1.6.x before 1.6.8, specifically on SPARC and Itanium platforms. The flaw stems from improper data alignment for a structure member, allowing remote attackers to crash the application by sending specially crafted ICMP or ICMPv6 Echo Request packets. This vulnerability has a CVSS score of 3.3, indicating low severity with an adjacent network attack vector and low attack complexity, resulting in a partial availability impact. While not actively exploited in the wild and not on the KEV catalog, public exploit code exists (EDB-18920), though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:itanium:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:sparc:*
1.4.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:itanium:*
1.4.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:sparc:*
1.4.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:itanium:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.98%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-18920 · May 24, 2012
This CVE's current EPSS score of 0.0398 is in the 92nd percentile among its peer group of 94 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2012-2394Low

wireshark: Denial of service (crash) due memory alignment problem on SPARC and Itanium processors (wnpa-sec-2012-10)

May 21, 2012

References

anonsvn.wireshark.org / viewvc
Patch
bugs.wireshark.org / bugzilla/show_bug.cgi
secunia.com / advisories/49226
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
securityfocus.com / bid/53653
securitytracker.com / id
wireshark.org / security/wnpa-sec-2012-10.html
Vendor Advisory