CVE-2022-37781: fdkaac v1.0.3 was discovered to contain a heap buffer overflow via __interceptor_memcpy.part.46 at /sanitizer_

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HIGH 7.8DOWNGRADE

CVE-2022-37781 is a high-severity flaw (CVSS 7.8) affecting fdkaac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

fdkaac v1.0.3 was discovered to contain a heap buffer overflow via __interceptor_memcpy.part.46 at /sanitizer_common/sanitizer_common_interceptors.inc.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-787
Published	2022-08-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fdkaac project

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

Am I affected?

Timeline

2022-08-16 21:15 UTCPublished CVE record published
2026-06-17 04:55 UTCUpdated Record last modified

fdkaac project fdkaac DOWNGRADE

Affected: 1.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.3 (Debian / Ubuntu)

apt-cache madison fdkaac sudo apt install fdkaac=<VERSION_BEFORE_1.0.3> sudo apt-mark hold fdkaac

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

dnf --showduplicates list fdkaac sudo dnf downgrade fdkaac-<VERSION_BEFORE_1.0.3> sudo dnf versionlock add fdkaac

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-2022-37781?

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

Is CVE-2022-37781 being exploited?

CVE-2022-37781 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-2022-37781 affect?

CVE-2022-37781 affects fdkaac. Severity is high (CVSS 7.8). fdkaac v1.0.3 was discovered to contain a heap buffer overflow via __interceptor_memcpy.part.46 at /sanitizer_common/sanitizer_common_interceptors.inc.

How urgent is CVE-2022-37781?

Priority 40/100. High severity; Public exploit reference

Related CVEs

CVE-2023-34824 MEDIUM 5.5 UPGRADE fdkaac before 1.0.5 was discovered to contain a heap buffer overflow in caf_info function in caf_reader.c.
CVE-2023-34823 MEDIUM 5.5 UPGRADE fdkaac before 1.0.5 was discovered to contain a stack overflow in read_callback function in src/main.c.
CVE-2022-36148 MEDIUM 5.5 UPGRADE fdkaac commit 53fe239 was discovered to contain a floating point exception (FPE) via wav_open at /src/wav_read

References

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