How severe is CVE-2004-1309?

CVE-2004-1309 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-1309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1309?

CVE-2004-1309 affects Mplayer Unix Mplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-1309?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2004-1309 published?

CVE-2004-1309 was published on 2005-01-10 and last updated on 2026-06-16.

CVE-2004-1309

CVE-2004-1309 is a critical-severity vulnerability in Mplayer Unix Mplayer with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mplayer Unix Mplayer
Published: 2005-01-10
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the demux_open_bmp function in demux_bmp.c for Unix MPlayer 1.0pre5 allows remote attackers to execute arbitrary code via a bitmap (BMP) file containing a large biClrUsed field.

Frequently asked questions

What is CVE-2004-1309?: Heap-based buffer overflow in the demux_open_bmp function in demux_bmp.c for Unix MPlayer 1.0pre5 allows remote attackers to execute arbitrary code via a bitmap (BMP) file containing a large biClrUsed field.
How severe is CVE-2004-1309?: CVE-2004-1309 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-1309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1309?: CVE-2004-1309 affects Mplayer Unix Mplayer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-1309 published?: CVE-2004-1309 was published on 2005-01-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mplayer:unix_mplayer:1.0_pre5:*:*:*:*:*:*:*