CVE-2020-25866
7.5
HIGH
CVSS 3.1
EPSS 1.5%
Description
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
How to fix CVE-2020-25866
To remediate CVE-2020-25866, upgrade the affected package to a fixed version below.
- Debian/wireshark—upgrade to 3.2.7-1 or later
Is CVE-2020-25866 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.2.7-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |