CVE-2016-4421

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-01 · updated 2026-06-17
Weakness: CWE-20

Description

epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (deep recursion, stack consumption, and application crash) via a packet that specifies deeply nested data.

Affected products

Wireshark Foundation Wireshark: 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5 (+6)

References

http://lists.opensuse.org/opensuse-updates/2016-03/msg00015.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00016.html
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822
https://www.wireshark.org/security/wnpa-sec-2016-18.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00015.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00016.html
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822
https://www.wireshark.org/security/wnpa-sec-2016-18.html

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