CVE-2012-3826 Integer overflow in n/a

Low 3.3 Published Updated

Remote attackers can cause a denial of service in Wireshark via integer underflows in the R3 dissector, affecting network analysts and security teams.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2012-3826?

CVE-2012-3826 is a low-severity vulnerability in Wireshark Wireshark, published on 30 Jun 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple integer underflows in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 allow remote attackers to cause a denial of service (loop) via vectors related to the R3 dissector, a different vulnerability than CVE-2012-2392.

Weakness: CWE-189

Which versions are affected by CVE-2012-3826?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2012-3826?

Upgrade to a fixed version.

Is CVE-2012-3826 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-3826 exists.

Public exploit code: 1 Exploit-DB entry.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-3826, GHSA-7cq7-rr3p-m677.

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