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CVE-2021-32294: An issue was discovered in libgig through 20200507

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This month
HIGH 8.8WATCHLISTUPGRADE

CVE-2021-32294 is a high-severity flaw (CVSS 8.8) affecting libgig. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in libgig through 20200507. A heap-buffer-overflow exists in the function RIFF::List::GetSubList located in RIFF.cpp. It allows an attacker to cause code Execution.

Why this priority

  • High severity
  • Public exploit reference
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.5% (top 26%)
CISA exploited listNo
WeaknessCWE-787
Published2021-09-20
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: linuxsampler

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

linuxsampler libgig UPGRADE
Affected: <= 20200507
Fixed in: newer than 20200507
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy libgig || rpm -q libgig || libgig --version
2. UPGRADE to newer than 20200507 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade libgig
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade libgig
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-2021-32294?

libgig: upgrade to newer than 20200507. Exact commands for each OS are on this page.

Is CVE-2021-32294 being exploited?

CVE-2021-32294 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-2021-32294 affect?

CVE-2021-32294 affects libgig. Severity is high (CVSS 8.8). An issue was discovered in libgig through 20200507. A heap-buffer-overflow exists in the function RIFF::List::GetSubList located in RIFF.cpp. It allows an attacker to cause code Execution.

How urgent is CVE-2021-32294?

Priority 59/100. High severity; Public exploit reference; On your watchlist

References

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