CVE-2026-32836: dr_libs dr_flac.h version 0.13.3 and earlier (fixed in commits fefced4, 4f5a4cd, and 663239a) contain an uncon

Q: How do I fix CVE-2026-32836?

dr libs: upgrade to newer than 0.13.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-32836 being exploited?

CVE-2026-32836 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-2026-32836 affect?

CVE-2026-32836 affects dr libs. Severity is medium (CVSS 6.2). dr_libs dr_flac.h version 0.13.3 and earlier (fixed in commits fefced4, 4f5a4cd, and 663239a) contain an uncontrolled memory allocation vulnerability in drflac__read_and_decode_metadata() that allows attackers to trigger excessive memory al

Q: How urgent is CVE-2026-32836?

Priority 29/100. Public exploit reference

Routine

MEDIUM 6.2UPGRADE

CVE-2026-32836 is a medium-severity flaw (CVSS 6.2) affecting dr libs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

dr_libs dr_flac.h version 0.13.3 and earlier (fixed in commits fefced4, 4f5a4cd, and 663239a) contain an uncontrolled memory allocation vulnerability in drflac__read_and_decode_metadata() that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can exploit attacker-controlled mimeLength and descriptionLength fields to cause denial of service through memory exhaustion when processing FLAC

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-789
Published	2026-03-17
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: mackron

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-17 20:16 UTCPublished CVE record published
2026-07-14 19:16 UTCUpdated Record last modified

mackron dr libs UPGRADE

Affected: <= 0.13.3

Fixed in: newer than 0.13.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dr-libs || rpm -q dr-libs || dr-libs --version

2. UPGRADE to newer than 0.13.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dr-libs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dr-libs

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-2026-32836?

dr libs: upgrade to newer than 0.13.3. Exact commands for each OS are on this page.

Is CVE-2026-32836 being exploited?

CVE-2026-32836 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-2026-32836 affect?

CVE-2026-32836 affects dr libs. Severity is medium (CVSS 6.2). dr_libs dr_flac.h version 0.13.3 and earlier (fixed in commits fefced4, 4f5a4cd, and 663239a) contain an uncontrolled memory allocation vulnerability in drflac__read_and_decode_metadata() that allows attackers to trigger excessive memory al

How urgent is CVE-2026-32836?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2026-29022 HIGH 7.3 UPGRADE dr_libs dr_wav.h version 0.14.4 and earlier (fixed in commit 8a7258c) contain a heap buffer overflow vulnerabi

References

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