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CVE-2018-7420
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a…
High7.5EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180418 [SECURITY] [DLA 1353-1] wireshark security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 103163 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [debian-lts-announce] 20190115 [SECURITY] [DLA 1634-1] wireshark security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.wireshark.org/security/wnpa-sec-2018-11.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-7420)Record last updated .