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CVE-2017-6473

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a...

7.5 HighFix available

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.92%Up 1.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
CVE-2017-6473
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
CVE-2017-6473
Updated
2026-11-02
EUVDEUVD-2017-15530 No score

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
EUVD-2017-15530
Updated
2026-11-03
GitHub AdvisoriesGHSA-q32q-vrj8-3f2c 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a...

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
GHSA-q32q-vrj8-3f2c
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVALPINE-CVE-2017-6473 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
ALPINE-CVE-2017-6473
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
CVE-2017-6473
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-6473 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
DEBIAN-CVE-2017-6473
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-6473 7.5

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Record
UBUNTU-CVE-2017-6473
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:11513-1 No score

libwireshark14-3.4.8-1.2 on GA media

These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11513-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.5
 2.0.0 up to 2.2.5-r0
2.2.5-r0
wireshark
Debian:12
 before 2.2.5+g440fd4d-2
2.2.5+g440fd4d-2
wireshark
Debian:13
 before 2.2.5+g440fd4d-2
2.2.5+g440fd4d-2
wireshark
Debian:14
 before 2.2.5+g440fd4d-2
2.2.5+g440fd4d-2
wireshark
Debian:7
From an advisory covering 11 CVEs
 before 1.12.1+g01b65bf-4+deb8u6~deb7u7, plus listed versions
1.10.0-11.10.0-21.10.0-2~bpo70+11.10.0~rc1-11.10.0~rc2-1
Show 45 moreShow less
1.10.1-11.10.1-1~bpo70+11.10.2-11.10.2-1~bpo70+11.10.2-21.10.3-11.10.3-1~bpo70+11.10.4-11.10.5-11.10.5-1~bpo70+11.10.5-21.10.6-11.10.6-1~bpo70+11.10.7-11.10.7-1~bpo70+11.10.7-21.10.7-31.10.7-41.10.8-11.10.8-1~bpo70+11.12.0+git+4fab41a1-11.12.0~rc1-11.12.0~rc1-21.12.0~rc2+git+fd017ee+dfsg1-11.12.0~rc3+git+e14d5b6eaa+dfsg1-11.12.1+g01b65bf-11.12.1+g01b65bf-1~bpo70+11.12.1+g01b65bf-21.12.1+g01b65bf-2~bpo70+11.12.1+g01b65bf-31.12.1+g01b65bf-41.12.1+g01b65bf-4~bpo70+11.8.2-5wheezy101.8.2-5wheezy111.8.2-5wheezy121.8.2-5wheezy131.8.2-5wheezy141.8.2-5wheezy151.8.2-5wheezy15~deb6u11.8.2-5wheezy161.8.2-5wheezy16~deb6u11.8.2-5wheezy171.8.2-5wheezy181.8.2-5wheezy21.8.2-5wheezy3
1.12.1+g01b65bf-4+deb8u6~deb7u7
wireshark
Debian:8
From an advisory covering 11 CVEs
 before 1.12.1+g01b65bf-4+deb8u11, plus listed versions
1.12.1+g01b65bf-41.12.1+g01b65bf-4+deb8u11.12.1+g01b65bf-4+deb8u101.12.1+g01b65bf-4+deb8u21.12.1+g01b65bf-4+deb8u3
Show 17 moreShow less
1.12.1+g01b65bf-4+deb8u41.12.1+g01b65bf-4+deb8u51.12.1+g01b65bf-4+deb8u61.12.1+g01b65bf-4+deb8u6~deb7u11.12.1+g01b65bf-4+deb8u6~deb7u101.12.1+g01b65bf-4+deb8u6~deb7u111.12.1+g01b65bf-4+deb8u6~deb7u21.12.1+g01b65bf-4+deb8u6~deb7u31.12.1+g01b65bf-4+deb8u6~deb7u41.12.1+g01b65bf-4+deb8u6~deb7u51.12.1+g01b65bf-4+deb8u6~deb7u61.12.1+g01b65bf-4+deb8u6~deb7u71.12.1+g01b65bf-4+deb8u6~deb7u81.12.1+g01b65bf-4+deb8u6~deb7u91.12.1+g01b65bf-4+deb8u71.12.1+g01b65bf-4+deb8u81.12.1+g01b65bf-4+deb8u9
1.12.1+g01b65bf-4+deb8u11
wireshark
Ubuntu:14.04:LTS
 before 1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
wireshark
Ubuntu:16.04:LTS
 before 2.2.6+g32dac6a-2ubuntu0.16.04, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-1
2.2.6+g32dac6a-2ubuntu0.16.04
wireshark
openSUSE:Tumbleweed
From an advisory covering 163 CVEs
 before 3.4.8-1.2
3.4.8-1.2

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-6473 is a high vulnerability (CVSS 7.5) in Wireshark, published March 4, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.92%, the 87th percentile. Fixed in wireshark 2.2.5-r0.

References

Show 169 moreShow less
This page doesn't list everything

Left out here: 13 versions. The JSON record has them.

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