CVE-2018-7331 json
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-ber.c had an infinite loop that was addressed by validating a lengt…
published 2018-02-23 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19063
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-ber.c had an infinite loop that was addressed by validating a length.
Patch / fix
- wireshark Debian 14, Debian 13, Debian 12 2.4.5-1
debian advisories DEBIAN-CVE-2018-7331
- wireshark Ubuntu 14.04 LTS 2.6.3-1~ubuntu14.04.1
- wireshark Ubuntu 16.04 LTS 2.6.3-1~ubuntu16.04.1
- wireshark Ubuntu 18.04 LTS 2.6.3-1~ubuntu18.04.1
ubuntu advisories UBUNTU-CVE-2018-7331
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- wireshark SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.2.13-40.22.1
- wireshark SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 2.2.13-48.21.1
suse advisories SUSE-SU-2018:0867-1SUSE-SU-2018:0811-1
- wireshark Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 2.4.5-r0
- wireshark Alpine 3.6 2.2.15-r0
alpine advisories ALPINE-CVE-2018-7331
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
2.34% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-835 Loop with Unreachable Exit Condition
References
-
wireshark.org
/security/wnpa-sec-2018-06.html
vendor-advisory
-
bugs.wireshark.org
/bugzilla/show_bug.cgi?id=14444
issue-tracking, vendor-advisory
- code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=157712b2f5f89b19ef2497ea89c5938eb29529da
-
securityfocus.com
/bid/103158
vdb-entry, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2019/01/msg00010.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2018-7331
- NVD CVE-2018-7331
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.