How severe is CVE-2004-0597?

CVE-2004-0597 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0597?

CVE-2004-0597 primarily affects Greg Roelofs Libpng. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0597?

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-2004-0597 published?

CVE-2004-0597 was published on 2004-11-23 and last updated on 2026-06-16.

CVE-2004-0597

CVE-2004-0597 is a critical-severity vulnerability in Greg Roelofs Libpng with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 83% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 83% (100th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Greg Roelofs Libpng
Published: 2004-11-23
Last modified: 2026-06-16

Description

Multiple buffer overflows in libpng 1.2.5 and earlier, as used in multiple products, allow remote attackers to execute arbitrary code via malformed PNG images in which (1) the png_handle_tRNS function does not properly validate the length of transparency chunk (tRNS) data, or the (2) png_handle_sBIT or (3) png_handle_hIST functions do not perform sufficient bounds checking.

Frequently asked questions

What is CVE-2004-0597?: Multiple buffer overflows in libpng 1.2.5 and earlier, as used in multiple products, allow remote attackers to execute arbitrary code via malformed PNG images in which (1) the png_handle_tRNS function does not properly validate the length of transparency chunk (tRNS) data, or the (2) png_handle_sBIT or (3) png_handle_hIST functions do not perform sufficient bounds checking.
How severe is CVE-2004-0597?: CVE-2004-0597 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0597?: CVE-2004-0597 primarily affects Greg Roelofs Libpng. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0597?: 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-2004-0597 published?: CVE-2004-0597 was published on 2004-11-23 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:greg_roelofs:libpng:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_player:9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_messenger:5.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_me:*:*:second_edition:*:*:*:*:*

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CVE-2004-0598 — Medium (CVSS 5.0): The png_handle_iCCP function in libpng 1.2.5 and earlier allows remote attackers to cause a denial of service…
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