CVE-2026-42500

MEDIUMCVSS 5.3/10EPSS 0.38%

Last modified

CVE-2026-42500 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability
0.38%

30.3th percentile

Probability of exploitation in the next 30 days. Learn more

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-42500?
Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
How severe is CVE-2026-42500?
CVE-2026-42500 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2026-42500?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42500?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST