How severe is CVE-2009-3546?

CVE-2009-3546 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-3546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3546?

CVE-2009-3546 primarily affects Libgd Gd Graphics Library. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3546?

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-2009-3546 published?

CVE-2009-3546 was published on 2009-10-19 and last updated on 2026-06-16.

CVE-2009-3546

CVE-2009-3546 is a critical-severity vulnerability in Libgd Gd Graphics Library with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Libgd Gd Graphics Library
Published: 2009-10-19
Last modified: 2026-06-16

Description

The _gdGetColors function in gd_gd.c in PHP 5.2.11 and 5.3.x before 5.3.1, and the GD Graphics Library 2.x, does not properly verify a certain colorsTotal structure member, which might allow remote attackers to conduct buffer overflow or buffer over-read attacks via a crafted GD file, a different vulnerability than CVE-2009-3293. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-3546?: The _gdGetColors function in gd_gd.c in PHP 5.2.11 and 5.3.x before 5.3.1, and the GD Graphics Library 2.x, does not properly verify a certain colorsTotal structure member, which might allow remote attackers to conduct buffer overflow or buffer over-read attacks via a crafted GD file, a different vulnerability than CVE-2009-3293. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-3546?: CVE-2009-3546 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-3546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3546?: CVE-2009-3546 primarily affects Libgd Gd Graphics Library. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3546?: 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-2009-3546 published?: CVE-2009-3546 was published on 2009-10-19 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:libgd:gd_graphics_library:2.0.33:*:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.34:*:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.34:rc1:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.34:rc2:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:*:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:rc1:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:rc2:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:rc3:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:rc4:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.35:rc5:*:*:*:*:*:*
cpe:2.3:a:libgd:gd_graphics_library:2.0.36:rc1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*

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CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

121.164.135.251 (ipv4-addr)