CVE-2016-4421
epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-4421- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-4421- Updated
- 2026-11-02
EUVDEUVD-2016-5421 No score
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.
- Record
EUVD-2016-5421- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8r3g-vq4w-5379
epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2...
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.
- Record
GHSA-8r3g-vq4w-5379- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2016-4421- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-4421
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.
- Record
DEBIAN-CVE-2016-4421- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-4421
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.
- Record
UBUNTU-CVE-2016-4421- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wiresharkDebian:12 |
before 2.0.2+ga16e22e-1 | 2.0.2+ga16e22e-1 |
wiresharkDebian:13 |
before 2.0.2+ga16e22e-1 | 2.0.2+ga16e22e-1 |
wiresharkDebian:14 |
before 2.0.2+ga16e22e-1 | 2.0.2+ga16e22e-1 |
wiresharkDebian:7 From an advisory covering 8 CVEs |
before 1.8.2-5wheezy18, plus listed versions 1.8.2-5wheezy101.8.2-5wheezy111.8.2-5wheezy121.8.2-5wheezy131.8.2-5wheezy14 Show 13 moreShow less1.8.2-5wheezy151.8.2-5wheezy15~deb6u11.8.2-5wheezy161.8.2-5wheezy16~deb6u11.8.2-5wheezy171.8.2-5wheezy21.8.2-5wheezy31.8.2-5wheezy41.8.2-5wheezy51.8.2-5wheezy61.8.2-5wheezy71.8.2-5wheezy81.8.2-5wheezy9 |
1.8.2-5wheezy18 |
wiresharkDebian:8 From an advisory covering 8 CVEs |
before 1.12.1+g01b65bf-4+deb8u5, plus listed versions 1.12.1+g01b65bf-41.12.1+g01b65bf-4+deb8u11.12.1+g01b65bf-4+deb8u21.12.1+g01b65bf-4+deb8u31.12.1+g01b65bf-4+deb8u4 |
1.12.1+g01b65bf-4+deb8u5 |
wiresharkUbuntu:14.04:LTS |
before 2.6.3-1~ubuntu14.04.1, plus listed versions 1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-11.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1 |
2.6.3-1~ubuntu14.04.1 |
wiresharkUbuntu:16.04:LTS |
before 2.6.3-1~ubuntu16.04.1, plus listed versions 1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04 |
2.6.3-1~ubuntu16.04.1 |
wiresharkUbuntu:18.04:LTS |
before 2.6.3-1~ubuntu18.04.1, plus listed versions 2.4.2-12.4.3-12.4.4-12.4.5-1 |
2.6.3-1~ubuntu18.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4421 is a medium vulnerability (CVSS 5.9) in Wireshark, published March 13, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. Fixed in wireshark 2.0.2+ga16e22e-1.
References
lists.opensuse.org/opensuse-updates/2016-03/msg00016.html
wireshark.org/security/wnpa-sec-2016-18.html
oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822
nvd.nist.gov/vuln/detail/CVE-2016-4421