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CVE-2024-26540

Cimg buffer overflow

7.8 HIGHPublic exploitEPSS 0.31%
  1. Published15 Mar 2024

Description

A heap-based buffer overflow in Clmg before 3.3.3 can occur via a crafted file to cimg_library::CImg<unsigned char>::_load_analyze.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Cimg< 3.3.3

Remediation

Fixed in
Cimg≥ 3.3.3

References

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Frequently asked

Is CVE-2024-26540 being actively exploited?

CVE-2024-26540 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.31%.

How severe is CVE-2024-26540?

CVE-2024-26540 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 0.31% probability of exploitation.

Which products are affected by CVE-2024-26540?

Affected products include Cimg.

How do I fix CVE-2024-26540?

Upgrade affected software to a fixed version, for example Cimg 3.3.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-26540 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.