CVE-2017-8869: Buffer overflow in MediaCoder 0.8.48.5888 allows remote attackers to execute arbitrary code via a crafted .m3u

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HIGH 7.8DOWNGRADE

CVE-2017-8869 is a high-severity flaw (CVSS 7.8) affecting mediacoder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in MediaCoder 0.8.48.5888 allows remote attackers to execute arbitrary code via a crafted .m3u file.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
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	15.9% (top 3%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-07-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mediacoder

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

Am I affected?

Timeline

2017-07-27 13:29 UTCPublished CVE record published
2026-06-17 01:27 UTCUpdated Record last modified

mediacoder mediacoder DOWNGRADE

Affected: 0.8.48.5888

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.48.5888

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.8.48.5888 (Debian / Ubuntu)

apt-cache madison mediacoder sudo apt install mediacoder=<VERSION_BEFORE_0.8.48.5888> sudo apt-mark hold mediacoder

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

dnf --showduplicates list mediacoder sudo dnf downgrade mediacoder-<VERSION_BEFORE_0.8.48.5888> sudo dnf versionlock add mediacoder

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: MediaCoder 0.8.48.5888 - Local Buffer Overflow (SEH)
Metasploit: MediaCoder .M3U Buffer Overflow

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-2017-8869?

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

Is CVE-2017-8869 being exploited?

CVE-2017-8869 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-2017-8869 affect?

CVE-2017-8869 affects mediacoder. Severity is high (CVSS 7.8). Buffer overflow in MediaCoder 0.8.48.5888 allows remote attackers to execute arbitrary code via a crafted .m3u file.

How urgent is CVE-2017-8869?

Priority 57/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

References

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