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CVE-2018-20198
A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The…
Medium5.5EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://github.com/knik0/faad2/issues/23 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20190519 [SECURITY] [DLA 1791-1] faad2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4522 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20190916 [SECURITY] [DSA 4522-1] faad2 security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- GLSA-202006-17 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-20198)Record last updated .