NULL pointer dereference in Audiocoding Freeware Advanced Audio Decoder 2
CVE-2018-20199
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 ONLY_LONG_SEQUENCE case.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Audiocoding Freeware Advanced Audio Decoder 2
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
References
- github.com/knik0/faad2/issues/24 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/08/msg00033.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202006-17 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/10/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5109 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20199?
- CVE-2018-20199 is a medium-severity vulnerability in Audiocoding Freeware Advanced Audio Decoder 2, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-12-18.
- How severe is CVE-2018-20199?
- Medium severity. CVSS v3 base score is 5.5 out of 10.