Skip to content
Fencer Intel
medium 5.5

CVE-2017-7741 json

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()" function (flac.c) can be exploited to cause a segmentation violation (wit…

published 2017-04-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16716

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()" function (flac.c) can be exploited to cause a segmentation violation (with write memory access) via a specially crafted FLAC file during a resample attempt, a similar issue to CVE-2017-7585.

Patch / fix

  • libsndfile Debian 14, Debian 13, Debian 12 1.0.27-2

debian advisories DEBIAN-CVE-2017-7741

  • libsndfile Ubuntu 14.04 LTS 1.0.25-7ubuntu2.2
  • libsndfile Ubuntu 16.04 LTS 1.0.25-10ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-7741

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

  • libsndfile SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +6 more 1.0.25-35.1
  • libsndfile SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.0.20-2.18.1
  • libsndfile SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +6 more 1.0.25-28.1
  • libsndfile SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.0.20-2.13.1

suse advisories SUSE-SU-2017:1367-1SUSE-SU-2017:1236-1SUSE-SU-2017:1040-1SUSE-SU-2017:1030-1

  • libsndfile Alpine 3.24, Alpine 3.23, Alpine 3.22 +20 more 1.0.28-r0

alpine advisories ALPINE-CVE-2017-7741

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-2017-7741 updated cvss 3.3

libsndfile: Invalid memory write in flac_buffer_copy function

  • Red Hat Enterprise Linux 6 libsndfile Red Hat Enterprise Linux 7 libsndfile, libsndfile-utils
    affected: no fix planned “Will not fix”

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

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blogs.gentoo.org https://blogs.gentoo.org/ago/2017/04/11/libsndfile-invalid-memory-read-and-invalid-memory-write-in/ 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
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.