CVE-2016-2522
5.9
MEDIUM
CVSS 3.1
EPSS 0.22%
Description
The dissect_ber_constrained_bitstring function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 2.0.x before 2.0.2 does not verify that a certain length is nonzero, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.
How to fix CVE-2016-2522
To remediate CVE-2016-2522, upgrade the affected package to a fixed version below.
- Debian/wireshark—upgrade to 2.0.2+ga16e22e-1 or later
Is CVE-2016-2522 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.2+ga16e22e-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |