CVE-2013-3556 Null dereference in n/a

What is CVE-2013-3556?

CVE-2013-3556 is a medium-severity vulnerability in Debian Debian Linux, published on 25 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The fragment_add_seq_common function in epan/reassemble.c in the ASN.1 BER dissector in Wireshark before r48943 has an incorrect pointer dereference during a comparison, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.

Weakness: CWE-20

Which versions are affected by CVE-2013-3556?

It affects 3 products.

Products include Debian Debian Linux, Opensuse Opensuse, Wireshark Wireshark.

How do I fix CVE-2013-3556?

Apply the vendor's patch.

Is CVE-2013-3556 being exploited?

There is no known exploitation of CVE-2013-3556 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jhcv-c76w-jfvj.