CVE-2012-2106: Integer overflow in the pv_import function in util/pv_import.c in Csound 5.16.6, when converting a file, allow

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HIGH 9.3DOWNGRADE

CVE-2012-2106 is a high-severity flaw (CVSS 9.3) affecting csound. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow in the pv_import function in util/pv_import.c in Csound 5.16.6, when converting a file, allows remote attackers to execute arbitrary code via a crafted file, which triggers a heap-based buffer overflow.

Why this priority

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

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	5.7% (top 7%)
CISA exploited list	No
Weakness	CWE-189
Published	2014-02-04
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: csounds

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

Am I affected?

Timeline

2014-02-04 21:55 UTCPublished CVE record published
2026-06-16 23:41 UTCUpdated Record last modified

csounds csound DOWNGRADE

Affected: 5.16.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.16.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.16.6 (Debian / Ubuntu)

apt-cache madison csound sudo apt install csound=<VERSION_BEFORE_5.16.6> sudo apt-mark hold csound

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list csound sudo dnf downgrade csound-<VERSION_BEFORE_5.16.6> sudo dnf versionlock add csound

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2012-2106?

csound: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-2106 being exploited?

CVE-2012-2106 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-2012-2106 affect?

CVE-2012-2106 affects csound. Severity is high (CVSS 9.3). Integer overflow in the pv_import function in util/pv_import.c in Csound 5.16.6, when converting a file, allows remote attackers to execute arbitrary code via a crafted file, which triggers a heap-based buffer overflow.

How urgent is CVE-2012-2106?

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

Related CVEs

CVE-2012-2108 HIGH 9.3 UPGRADE Stack-based buffer overflow in the main function in util/lpci_main.c in Csound before 5.17.2, when converting
CVE-2012-2107 HIGH 9.3 UPGRADE Integer overflow in the main function in util/lpci_main.c in Csound before 5.17.2, when converting a file, all
CVE-2012-0270 HIGH 7.5 UPGRADE Multiple stack-based buffer overflows in Csound before 5.16.6 allow remote attackers to execute arbitrary code

References

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