CVE-2018-20198
5.5
MEDIUM
CVSS 3.1
EPSS 0.21%
Description
A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the LONG_START_SEQUENCE case.
How to fix CVE-2018-20198
To remediate CVE-2018-20198, upgrade the affected package to a fixed version below.
- Alpine/faad2—upgrade to 2.9.0-r0 or later
- —upgrade to 2.8.8-2 or later
Is CVE-2018-20198 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.9.0-r0
- from 0, < 2.8.8-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |