CVE-2009-5137: Stack-based buffer overflow in Mini-stream CastRipper 2.50.70 allows remote attackers to execute arbitrary cod

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HIGH 7.5DOWNGRADE

CVE-2009-5137 is a high-severity flaw (CVSS 7.5) affecting castripper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in Mini-stream CastRipper 2.50.70 allows remote attackers to execute arbitrary code via a long URL in the [playlist] section in a .pls file, a different vector than CVE-2009-1667.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-01-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mini-stream

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-01-03 19:55 UTCPublished CVE record published
2026-06-16 23:15 UTCUpdated Record last modified

mini-stream castripper DOWNGRADE

Affected: 2.50.70

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.50.70

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.50.70 (Debian / Ubuntu)

apt-cache madison castripper sudo apt install castripper=<VERSION_BEFORE_2.50.70> sudo apt-mark hold castripper

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

dnf --showduplicates list castripper sudo dnf downgrade castripper-<VERSION_BEFORE_2.50.70> sudo dnf versionlock add castripper

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: CastRipper 2.50.70 - '.pls' Universal Stack 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-2009-5137?

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

Is CVE-2009-5137 being exploited?

CVE-2009-5137 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-2009-5137 affect?

CVE-2009-5137 affects castripper. Severity is high (CVSS 7.5). Stack-based buffer overflow in Mini-stream CastRipper 2.50.70 allows remote attackers to execute arbitrary code via a long URL in the [playlist] section in a .pls file, a different vector than CVE-2009-1667.

How urgent is CVE-2009-5137?

Priority 54/100. High severity; Public exploit reference

References

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