Buffer overflow in Audiocoding Freeware Advanced Audio Decoder 2
CVE-2018-20197
There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max > G case.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (67.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Audiocoding Freeware_advanced_audio_decoder_2 — versions 2.8.8
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2018-20197?
- CVE-2018-20197 is a high-severity vulnerability in Audiocoding Freeware Advanced Audio Decoder 2, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-12-18.
- How severe is CVE-2018-20197?
- High severity. CVSS v3 base score is 7.8 out of 10.