CVE-2009-0443: Stack-based buffer overflow in Elecard AVC HD PLAYER 5.5.90116 allows remote attackers to execute arbitrary co

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HIGH 9.3DOWNGRADE

CVE-2009-0443 is a high-severity flaw (CVSS 9.3) affecting elecard avc hd player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in Elecard AVC HD PLAYER 5.5.90116 allows remote attackers to execute arbitrary code via an M3U file containing a long string in a URL.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	5.6% (top 7%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-02-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: elecard

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

Am I affected?

Timeline

2009-02-10 07:00 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

elecard elecard avc hd player DOWNGRADE

Affected: 5.5.90116

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.90116

1. Check installed version

apt-cache policy elecard-avc-hd-player || rpm -q elecard-avc-hd-player || elecard-avc-hd-player --version

2. No fixed release: DOWNGRADE to a release before 5.5.90116 (Debian / Ubuntu)

apt-cache madison elecard-avc-hd-player sudo apt install elecard-avc-hd-player=<VERSION_BEFORE_5.5.90116> sudo apt-mark hold elecard-avc-hd-player

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

dnf --showduplicates list elecard-avc-hd-player sudo dnf downgrade elecard-avc-hd-player-<VERSION_BEFORE_5.5.90116> sudo dnf versionlock add elecard-avc-hd-player

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: Elecard AVC HD player - '.m3u' / '.xpl' Local Stack Overflow (PoC)

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-2009-0443?

elecard avc hd player: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0443 being exploited?

CVE-2009-0443 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-2009-0443 affect?

CVE-2009-0443 affects elecard avc hd player. Severity is high (CVSS 9.3). Stack-based buffer overflow in Elecard AVC HD PLAYER 5.5.90116 allows remote attackers to execute arbitrary code via an M3U file containing a long string in a URL.

How urgent is CVE-2009-0443?

Priority 61/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2009-1356 HIGH 9.3 MITIGATE Stack-based buffer overflow in Elecard AVC HD Player allows remote attackers to execute arbitrary code via a l

References

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