CVE-2017-6474
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop,...
7.5 HighFix available
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
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
3.01%Up 1.8 points since Apr 14, 2021
What each source reports
NVD Score used
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
CVE-2017-6474- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-835
- 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 NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
CVE-2017-6474- Updated
- 2026-11-02
EUVDEUVD-2017-15531 No score
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
EUVD-2017-15531- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2c77-j78m-453q
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop,...
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
GHSA-2c77-j78m-453q- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSVALPINE-CVE-2017-6474
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
ALPINE-CVE-2017-6474- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
CVE-2017-6474- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-6474
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
DEBIAN-CVE-2017-6474- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-6474
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
- Record
UBUNTU-CVE-2017-6474- CVSS 3.0
- 7.5 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
wiresharkAlpine:v3.5 |
2.0.0 up to 2.2.5-r0 | 2.2.5-r0 |
wiresharkDebian:12 |
before 2.2.5+g440fd4d-2 | 2.2.5+g440fd4d-2 |
wiresharkDebian:13 |
before 2.2.5+g440fd4d-2 | 2.2.5+g440fd4d-2 |
wiresharkDebian:14 |
before 2.2.5+g440fd4d-2 | 2.2.5+g440fd4d-2 |
wiresharkDebian: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 less1.10.1-11.10.1-1~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 |
wiresharkDebian: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 less1.12.1+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 |
wiresharkUbuntu: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 |
wiresharkUbuntu: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 |
wiresharkopenSUSE:Tumbleweed From an advisory covering 163 CVEs |
before 3.4.8-1.2 | 3.4.8-1.2 |
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-2017-6474 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 3.01%, the 87th percentile. Fixed in wireshark 2.2.5-r0.
References
bugs.wireshark.org/bugzilla/show_bug.cgi?id=13429
wireshark.org/security/wnpa-sec-2017-07.html
debian.org/security/2017/dsa-3811
securityfocus.com/bid/96566
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a998c9195f183d85f5b0bbeebba21a2d4d303d47
nvd.nist.gov/vuln/detail/CVE-2017-6474
Show 169 moreShow less
github.com/advisories/GHSA-2c77-j78m-453q
security.alpinelinux.org/vuln/CVE-2017-6474
security-tracker.debian.org/tracker/CVE-2017-6474
ubuntu.com/security/CVE-2017-6474
cve.org/CVERecord?id=CVE-2017-6474
suse.com/security/cve/CVE-2006-1932
This page doesn't list everything
Left out here: 13 versions. The JSON record has them.