What’s Vulnerable › Vulnerabilities

CVE-2016-2522

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-02-28 · updated 2026-06-17
• Weakness: CWE-119

Description

The dissect_ber_constrained_bitstring function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 2.0.x before 2.0.2 does not verify that a certain length is nonzero, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.

Affected products

• Wireshark Foundation Wireshark: 2.0.0, 2.0.1

References

• http://www.securitytracker.com/id/1035118
• http://www.wireshark.org/security/wnpa-sec-2016-02.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
• https://security.gentoo.org/glsa/201604-05
• http://www.securitytracker.com/id/1035118
• http://www.wireshark.org/security/wnpa-sec-2016-02.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
• https://security.gentoo.org/glsa/201604-05

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