wireshark: SIGCOMP dissector infinite loop (wnpa-sec-2017-20)
Published Apr 12, 2017
7.5
HIGHCVSS 3.0
EPSS 2.46%
Description
In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SIGCOMP dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-sigcomp.c by correcting a memory-size check.
Affected products
No data.
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
No data.
Red Hat Enterprise Linux 6
wireshark
Will not fix
Red Hat Enterprise Linux 7
wireshark
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.46% (0.02459) | 83.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.46% (0.02459) | 82.28th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.32% (0.00321) | 70.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00321) | 69.80th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.32% (0.00321) | 67.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00311) | 65.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/97627 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-7745 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578 x_refsource_CONFIRMIssue TrackingPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1441979 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2017-7745
- https://www.cve.org/CVERecord?id=CVE-2017-7745
- https://www.wireshark.org/security/wnpa-sec-2017-20.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97627 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-7745 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1441979 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-7745 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-7745 | ||
| https://www.wireshark.org/security/wnpa-sec-2017-20.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.