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CVE-2017-6888

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC...

5.5 MediumFix available

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.34%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-772
Updated
2026-11-02
CVE List No score

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
CVE-2017-6888
Updated
2026-11-02
EUVDEUVD-2017-15942 No score

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
EUVD-2017-15942
Updated
2026-11-03
GitHub AdvisoriesGHSA-fmrx-65vg-qvjw 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC...

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
GHSA-fmrx-65vg-qvjw
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-772
Updated
2026-11-02
OSVALPINE-CVE-2017-6888 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
ALPINE-CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2017-6888 5.5

CVE-2017-6888 does not affect BellSoft software

Record
BELL-CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 8 moreShow less
OSV 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-6888 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
DEBIAN-CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-6888 5.5

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Record
UBUNTU-CVE-2017-6888
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2018-0227 No score

Updated flac packages fix security vulnerability

Memory leak in read_metadata_vorbiscomment_() function could lead to denial of service (CVE-2017-6888).

Record
MGASA-2018-0227
Updated
2026-11-02
OSVopenSUSE-SU-2019:1225-1 No score

Security update for flac

This update for flac fixes the following issues:

  • CVE-2017-6888: An error in the 'read_metadata_vorbiscomment_()' function could be exploited to cause a memory leak via a specially crafted FLAC file (bsc#1091045).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:1225-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10760-1 No score

flac-1.3.3-1.9 on GA media

These are all security issues fixed in the flac-1.3.3-1.9 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10760-1
Updated
2026-11-02
OSVSUSE-SU-2019:0920-1 No score

Security update for flac

This update for flac fixes the following issues:

  • CVE-2017-6888: An error in the 'read_metadata_vorbiscomment_()' function could be exploited to cause a memory leak via a specially crafted FLAC file (bsc#1091045).
Record
SUSE-SU-2019:0920-1
Updated
2026-11-02
OSVUSN-5733-1 No score

flac vulnerabilities

It was discovered that FLAC was not properly performing memory management operations, which could result in a memory leak. An attacker could possibly use this issue to cause FLAC to consume resources, leading to a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2017-6888)

It was discovered that FLAC was not properly performing bounds checking operations when decoding data. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to expose sensitive information or to cause FLAC to crash, leading to a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-0499)

It was discovered that FLAC was not properly performing bounds checking operations when encoding data. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to expose sensitive information or to cause FLAC to crash, leading to a denial of service. (CVE-2021-0561)

Record
USN-5733-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
flac
Alpine:v3.10
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.11
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.12
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.13
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.14
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.15
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.16
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.17
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.18
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.19
 before 1.3.2-r2
1.3.2-r2
Show 31 moreShow less
Affected packages
PackageAffectedFixed
flac
Alpine:v3.20
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.21
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.22
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.23
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.24
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.8
 before 1.3.2-r2
1.3.2-r2
flac
Alpine:v3.9
 before 1.3.2-r2
1.3.2-r2
flac
Debian:12
 before 1.3.2-2
1.3.2-2
flac
Debian:13
 before 1.3.2-2
1.3.2-2
flac
Debian:14
 before 1.3.2-2
1.3.2-2
flac
Debian:9
 before 1.3.2-2+deb9u1, plus listed versions
1.3.2-11.3.2-2
1.3.2-2+deb9u1
flac
Mageia:5
 before 1.3.2-1.1.mga5
1.3.2-1.1.mga5
flac
Mageia:6
 before 1.3.2-1.1.mga6
1.3.2-1.1.mga6
flac
SUSE:Linux Enterprise Module for Basesystem 15
 before 1.3.2-3.3.20
1.3.2-3.3.20
flac
Ubuntu:Pro:14.04:LTS
 before 1.3.0-2ubuntu0.14.04.1+esm1, plus listed versions
1.3.0-11.3.0-21.3.0-2ubuntu0.14.04.1
1.3.0-2ubuntu0.14.04.1+esm1
flac
Ubuntu:Pro:16.04:LTS
 before 1.3.1-4ubuntu0.1~esm1, plus listed versions
1.3.1-4
1.3.1-4ubuntu0.1~esm1
oxide-qt
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.9.5-0ubuntu11.10.3-0ubuntu0.15.10.11.10.3-0ubuntu0.15.10.21.11.3-0ubuntu31.11.4-0ubuntu1
Show 17 moreShow less
1.11.5-0ubuntu11.12.5-0ubuntu11.12.6-0ubuntu11.12.7-0ubuntu11.13.6-0ubuntu11.14.7-0ubuntu11.14.9-0ubuntu0.16.04.11.15.7-0ubuntu0.16.04.11.15.8-0ubuntu0.16.04.11.16.5-0ubuntu0.16.04.11.17.7-0ubuntu0.16.04.11.17.9-0ubuntu0.16.04.11.18.3-0ubuntu0.16.04.11.18.5-0ubuntu0.16.04.11.19.4-0ubuntu0.16.04.11.20.4-0ubuntu0.16.04.11.21.5-0ubuntu0.16.04.1
 None known
android
Ubuntu:16.04:LTS
 All versions, plus listed versions
20150818-1500-0ubuntu220150818-1500-0ubuntu320160307-0742-0ubuntu320160330-0939-0ubuntu1
 None known
praat
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.3.16-1ubuntu26.0.4-2ubuntu1
 None known
flac
Ubuntu:18.04:LTS
 before 1.3.2-1ubuntu0.1, plus listed versions
1.3.2-1
1.3.2-1ubuntu0.1
praat
Ubuntu:18.04:LTS
 All versions, plus listed versions
6.0.30-36.0.37-2
 None known
praat
Ubuntu:20.04:LTS
 All versions, plus listed versions
6.1-16.1.05-26.1.09-16.1.09-1build1
 None known
praat
Ubuntu:22.04:LTS
 All versions, plus listed versions
6.1.38-16.1.56-16.1.56-26.2.01-16.2.03-1
Show 5 moreShow less
6.2.04-16.2.05-16.2.06-16.2.07-16.2.09-1
 None known
praat
Ubuntu:24.04:LTS
 All versions, plus listed versions
6.3.14-16.4.06+dfsg-1build16.4.06+dfsg-1build2
 None known
praat
Ubuntu:25.10
 All versions, plus listed versions
6.4.27+dfsg-16.4.27+dfsg-2
 None known
praat
Ubuntu:26.10
 All versions, plus listed versions
6.4.49+dfsg-1
 None known
praat
Ubuntu:26.04:LTS
 All versions, plus listed versions
6.4.27+dfsg-26.4.46+dfsg-16.4.47+dfsg-16.4.48+dfsg-16.4.49+dfsg-1
 None known
flac
Ubuntu:20.04:LTS
 before 1.3.3-1ubuntu0.1, plus listed versions
1.3.3-11.3.3-1build1
1.3.3-1ubuntu0.1
flac
Ubuntu:22.04:LTS
 before 1.3.3-2ubuntu0.1, plus listed versions
1.3.3-21.3.3-2build11.3.3-2build2
1.3.3-2ubuntu0.1
flac
openSUSE:Leap 15.0
 before 1.3.2-lp150.2.3.1
1.3.2-lp150.2.3.1
flac
openSUSE:Tumbleweed
 before 1.3.3-1.9
1.3.3-1.9

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-6888 is a medium vulnerability (CVSS 5.5) in Flac, published April 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. Fixed in flac 1.3.2-r2.

References

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