CVE-2018-19841

Status: ModifiedMedium (5.5)—
The function WavpackVerifySingleBlock in open_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (out-of-bounds read and application crash) via a crafted WavPack Lossless Audio file, as demonstrated by wvunpack.
CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base score: 5.5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.54%
Percentile among all scored CVEs: 84
Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (5)

Canonical — Ubuntu Linux Debian — Debian Linux Fedoraproject — Fedora Opensuse — Leap Wavpack — Wavpack
CWEs

CWE-125
References

Raw JSON (NVD)

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      "value": "The function WavpackVerifySingleBlock in open_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (out-of-bounds read and application crash) via a crafted WavPack Lossless Audio file, as demonstrated by wvunpack."
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