Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Audiocoding | Freeware Advanced Audio Decoder 2 | 2.8.8 |
Related Weaknesses (CWE)
References
- https://github.com/knik0/faad2/issues/23ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
- https://seclists.org/bugtraq/2019/Sep/28
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2019/dsa-4522
- https://github.com/knik0/faad2/issues/23ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
- https://seclists.org/bugtraq/2019/Sep/28
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2019/dsa-4522
FAQ
What is CVE-2018-20198?
CVE-2018-20198 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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,...
How severe is CVE-2018-20198?
CVE-2018-20198 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20198?
Check the references section above for vendor advisories and patch information. Affected products include: Audiocoding Freeware Advanced Audio Decoder 2.