CVE-2007-3507: Stack-based buffer overflow in the local__vcentry_parse_value function in vorbiscomment.c in flac123 (aka flac

Q: How do I fix CVE-2007-3507?

flac123: upgrade to newer than 0.0.9. Exact commands for each OS are on this page.

Q: Is CVE-2007-3507 being exploited?

CVE-2007-3507 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-2007-3507 affect?

CVE-2007-3507 affects flac123. Severity is high (CVSS 9.3). Stack-based buffer overflow in the local__vcentry_parse_value function in vorbiscomment.c in flac123 (aka flac-tools or flac) before 0.0.10 allows user-assisted remote attackers to execute arbitrary code via a large comment value_length.

Q: How urgent is CVE-2007-3507?

Priority 56/100. Critical severity; EPSS top 7%: very likely to be exploited

This month

HIGH 9.3UPGRADE

CVE-2007-3507 is a high-severity flaw (CVSS 9.3) affecting flac123. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the local__vcentry_parse_value function in vorbiscomment.c in flac123 (aka flac-tools or flac) before 0.0.10 allows user-assisted remote attackers to execute arbitrary code via a large comment value_length.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	5.5% (top 7%)
CISA exploited list	No
Published	2007-07-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: flac123

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

Am I affected?

Timeline

2007-07-02 19:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

flac123 flac123 UPGRADE

Affected: <= 0.0.9

Fixed in: newer than 0.0.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flac123 || rpm -q flac123 || flac123 --version

2. UPGRADE to newer than 0.0.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flac123

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flac123

Note

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

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-2007-3507?

flac123: upgrade to newer than 0.0.9. Exact commands for each OS are on this page.

Is CVE-2007-3507 being exploited?

CVE-2007-3507 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-2007-3507 affect?

CVE-2007-3507 affects flac123. Severity is high (CVSS 9.3). Stack-based buffer overflow in the local__vcentry_parse_value function in vorbiscomment.c in flac123 (aka flac-tools or flac) before 0.0.10 allows user-assisted remote attackers to execute arbitrary code via a large comment value_length.

How urgent is CVE-2007-3507?

Priority 56/100. Critical severity; EPSS top 7%: very likely to be exploited

References

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