CVE-2007-4619

CVE-2007-4619 is a critical-severity vulnerability in Flac Libflac with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 7% (93rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Flac Libflac
• Published: 2007-10-12
• Last modified: 2026-06-16

Description

Multiple integer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1, as used in Winamp before 5.5 and other products, allow user-assisted remote attackers to execute arbitrary code via a malformed FLAC file that triggers improper memory allocation, resulting in a heap-based buffer overflow.

Frequently asked questions

What is CVE-2007-4619?

Multiple integer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1, as used in Winamp before 5.5 and other products, allow user-assisted remote attackers to execute arbitrary code via a malformed FLAC file that triggers improper memory allocation, resulting in a heap-based buffer overflow.

How severe is CVE-2007-4619?

CVE-2007-4619 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-4619 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4619?

CVE-2007-4619 primarily affects Flac Libflac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-4619?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-4619 published?

CVE-2007-4619 was published on 2007-10-12 and last updated on 2026-06-16.

References

• http://bugzilla.redhat.com/show_bug.cgi?id=331991
• http://flac.sourceforge.net/changelog.html#flac_1_2_1
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=608
• http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html
• http://secunia.com/advisories/27210
• http://secunia.com/advisories/27223
• http://secunia.com/advisories/27355
• http://secunia.com/advisories/27399
• http://secunia.com/advisories/27507
• http://secunia.com/advisories/27601
• http://secunia.com/advisories/27625
• http://secunia.com/advisories/27628
• http://secunia.com/advisories/27780
• http://secunia.com/advisories/27878
• http://secunia.com/advisories/28548
• http://security.gentoo.org/glsa/glsa-200711-15.xml
• http://securitytracker.com/id?1018815
• http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0243
• http://www.debian.org/security/2008/dsa-1469
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:214
• http://www.redhat.com/support/errata/RHSA-2007-0975.html
• http://www.securityfocus.com/bid/26042
• http://www.ubuntu.com/usn/usn-540-1
• http://www.vupen.com/english/advisories/2007/3483
• http://www.vupen.com/english/advisories/2007/3484
• http://www.vupen.com/english/advisories/2007/4061
• https://bugzilla.redhat.com/show_bug.cgi?id=332571
• https://exchange.xforce.ibmcloud.com/vulnerabilities/37187
• https://issues.rpath.com/browse/RPL-1873
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10571

Affected products (2)

• cpe:2.3:a:flac:libflac:*:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:*:*:*:*:*:*:*:*

More vulnerabilities in Flac Libflac

• CVE-2007-6278 — Critical (CVSS 9.3): Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allows user-assisted remote attackers to force a client to…
• CVE-2007-6277 — Critical (CVSS 9.3): Multiple buffer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allow user-assisted remote attackers…
• CVE-2007-6279 — Critical (CVSS 9.3): Multiple double free vulnerabilities in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allow user-assisted…
• CVE-2014-9028 — High (CVSS 7.5): Heap-based buffer overflow in stream_decoder.c in libFLAC before 1.3.1 allows remote attackers to execute arbitrary…
• CVE-2014-8962 — High (CVSS 7.5): Stack-based buffer overflow in stream_decoder.c in libFLAC before 1.3.1 allows remote attackers to execute arbitrary…

All CVEs affecting Flac Libflac →

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