CVE-2017-14181: DeleteBitBuffer in libbitbuf/bitbuffer.c in mp4tools aacplusenc 0.17.5 allows remote attackers to cause a deni

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HIGH 7.8DOWNGRADE

CVE-2017-14181 is a high-severity flaw (CVSS 7.8) affecting aacplusenc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DeleteBitBuffer in libbitbuf/bitbuffer.c in mp4tools aacplusenc 0.17.5 allows remote attackers to cause a denial of service (invalid memory write, SEGV on unknown address 0x000000000030, and application crash) or possibly have unspecified other impact via a crafted .wav file, aka a NULL pointer dereference.

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	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-476
Published	2017-09-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aacplusenc project

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

Am I affected?

Timeline

2017-09-07 16:29 UTCPublished CVE record published
2026-06-17 01:05 UTCUpdated Record last modified

aacplusenc project aacplusenc DOWNGRADE

Affected: 0.17.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.17.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.17.5 (Debian / Ubuntu)

apt-cache madison aacplusenc sudo apt install aacplusenc=<VERSION_BEFORE_0.17.5> sudo apt-mark hold aacplusenc

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

dnf --showduplicates list aacplusenc sudo dnf downgrade aacplusenc-<VERSION_BEFORE_0.17.5> sudo dnf versionlock add aacplusenc

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-2017-14181?

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

Is CVE-2017-14181 being exploited?

CVE-2017-14181 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-2017-14181 affect?

CVE-2017-14181 affects aacplusenc. Severity is high (CVSS 7.8). DeleteBitBuffer in libbitbuf/bitbuffer.c in mp4tools aacplusenc 0.17.5 allows remote attackers to cause a denial of service (invalid memory write, SEGV on unknown address 0x000000000030, and application crash) or possibly have unspecified o

How urgent is CVE-2017-14181?

Priority 48/100. High severity; Public exploit reference

References

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