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Fencer Vulns
medium 5.5

CVE-2017-8374 json

The mad_bit_skip function in bit.c in Underbit MAD libmad 0.15.1b allows remote attackers to cause a denial of service (heap-based buffer o…

published 2017-05-01 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17333

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

The mad_bit_skip function in bit.c in Underbit MAD libmad 0.15.1b allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted audio file.

Patch / fix

  • libmad Debian 14, Debian 13, Debian 12 0.15.1b-9

debian advisories DEBIAN-CVE-2017-8374

  • libmad Ubuntu 14.04 LTS 0.15.1b-9ubuntu14.04.1
  • libmad Ubuntu 16.04 LTS 0.15.1b-9ubuntu16.04.1
  • libmad Ubuntu 18.04 LTS 0.15.1b-9ubuntu18.04.1

ubuntu advisories UBUNTU-CVE-2017-8374

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libmad Package Hub 12 SP1 0.15.1b-5.1

opensuse advisories openSUSE-SU-2018:0527-1openSUSE-SU-2018:0528-1

  • libmad Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 0.15.1b-r9
  • libmad Alpine 3.7 0.15.1b-r8

alpine advisories ALPINE-CVE-2017-8374

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-8374 updated cvss 3.3

libmad: Multiple vulnerabilities

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • blogs.gentoo.org https://blogs.gentoo.org/ago/2017/04/30/libmad-heap-based-buffer-overflow-in-mad_bit_skip-bit-c/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.