CVE-2006-4197: Multiple buffer overflows in libmusicbrainz (aka mb_client or MusicBrainz Client Library) 2.1.2 and earlier, a

Q: How do I fix CVE-2006-4197?

libmusicbrainz: upgrade to newer than 2.1.2; libmusicbrainz svn: upgrade to newer than 8406. Exact commands for each OS are on this page.

Q: Is CVE-2006-4197 being exploited?

CVE-2006-4197 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-4197 affect?

CVE-2006-4197 affects libmusicbrainz, libmusicbrainz svn. Severity is high (CVSS 7.5). Multiple buffer overflows in libmusicbrainz (aka mb_client or MusicBrainz Client Library) 2.1.2 and earlier, and SVN 8406 and earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a long Loca

Q: How urgent is CVE-2006-4197?

Priority 55/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADEUPGRADE

CVE-2006-4197 is a high-severity flaw (CVSS 7.5) affecting libmusicbrainz, libmusicbrainz svn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in libmusicbrainz (aka mb_client or MusicBrainz Client Library) 2.1.2 and earlier, and SVN 8406 and earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a long Location header by the HTTP server, which triggers an overflow in the MBHttp::Download function in lib/http.cpp; and (2) a long URL in RDF data, as demonstrated by a URL in an rdf:resource field in an RDF XML docum

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	14.7% (top 3%)
CISA exploited list	No
Published	2006-08-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: musicbrainz

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-08-17 21:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

musicbrainz libmusicbrainz UPGRADE

Affected: <= 2.1.2

Fixed in: newer than 2.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libmusicbrainz || rpm -q libmusicbrainz || libmusicbrainz --version

2. UPGRADE to newer than 2.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libmusicbrainz

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libmusicbrainz

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

musicbrainz libmusicbrainz svn UPGRADE

Affected: <= 8406

Fixed in: newer than 8406

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libmusicbrainz-svn || rpm -q libmusicbrainz-svn || libmusicbrainz-svn --version

2. UPGRADE to newer than 8406 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libmusicbrainz-svn

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libmusicbrainz-svn

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Libmusicbrainz 2.0.2/2.1.x - Multiple Buffer Overflow Vulnerabilities

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-4197?

libmusicbrainz: upgrade to newer than 2.1.2; libmusicbrainz svn: upgrade to newer than 8406. Exact commands for each OS are on this page.

Is CVE-2006-4197 being exploited?

CVE-2006-4197 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-4197 affect?

CVE-2006-4197 affects libmusicbrainz, libmusicbrainz svn. Severity is high (CVSS 7.5). Multiple buffer overflows in libmusicbrainz (aka mb_client or MusicBrainz Client Library) 2.1.2 and earlier, and SVN 8406 and earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a long Loca

How urgent is CVE-2006-4197?

Priority 55/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

References

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