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CVE-2012-1593

28
FAUCET Score

CVE-2012-1593 describes a NULL pointer dereference vulnerability in the ANSI A dissector of Wireshark versions 1.4.x before 1.4.12 and 1.6.x before 1.6.6. This flaw allows remote attackers to trigger a denial of service (application crash) by sending a specially crafted, malformed packet. The vulnerability has a CVSS score of 3.3, indicating a 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 via ExploitDB (EDB-18758), 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:*:*:*:*:*:*:*
1.4.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*
1.4.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*
1.4.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:*
1.4.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:*

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
11.29%
Probability of exploitation in next 30 days
EPSS Percentile
95.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-18758 · Apr 19, 2012
This CVE's current EPSS score of 0.1129 is in the 99th 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-2012-1593Low

wireshark: NULL pointer dereference in ANSI A dissector

Feb 10, 2012

References

anonsvn.wireshark.org / viewvc
lists.fedoraproject.org / pipermail/package-announce/2012-April/078769.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078770.html
lists.opensuse.org / opensuse-updates/2012-04/msg00060.html
bugs.wireshark.org / bugzilla/show_bug.cgi
secunia.com / advisories/48548
secunia.com / advisories/48986
exchange.xforce.ibmcloud.com / vulnerabilities/74361
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991
exploit-db.com / exploits/18758
openwall.com / lists/oss-security/2012/03/28/13
securitytracker.com / id
wireshark.org / security/wnpa-sec-2012-04.html
Vendor Advisory