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CVE-2012-4286

16
FAUCET Score

CVE-2012-4286 describes a denial-of-service vulnerability in Wireshark versions 1.8.x before 1.8.2, specifically within the pcap-ng file parser. A crafted pcap-ng file can trigger a divide-by-zero error and application crash in the pcapng_read_packet_block function. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and requiring user assistance (e.g., opening the malicious file). The primary impact is a denial of service, rendering Wireshark unusable. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
5.11CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.11:*:*:*:*:*:*:*
1.8.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
1.8.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 54th 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 Advisories (1)

redhatCVE-2012-4286Low

wireshark: crash due to zero division in pcnap-ng file parser (wnpa-sec-2012-24)

Aug 15, 2012

References

anonsvn.wireshark.org / viewvc
Patch
anonsvn.wireshark.org / viewvc/trunk/wiretap/pcapng.c
Patch
blogs.oracle.com / sunsecurity/entry/multiple_vulnerabilities_in_wireshark3
bugs.wireshark.org / bugzilla/show_bug.cgi
Exploit
secunia.com / advisories/50276
secunia.com / advisories/51363
secunia.com / advisories/54425
hermes.opensuse.org / messages/15514562
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15693
gentoo.org / security/en/glsa/glsa-201308-05.xml
securityfocus.com / bid/55035
wireshark.org / security/wnpa-sec-2012-24.html
Vendor Advisory