What’s Vulnerable › Vulnerabilities

CVE-2025-61146

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-23 · updated 2026-06-17
• Weakness: CWE-401

Description

saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.

Affected products

• saitoha libsixel: before 1.8.7 — fixed in 1.8.7

How to fix

Upgrade to a fixed version: saitoha libsixel 1.8.7. Check the vendor advisory for mitigations.

References

• https://gist.github.com/optionGo/1100e5be05c5558501a95f5e99160584
• https://github.com/saitoha/libsixel/commit/e0ba6685262a3679cc5b9009c0c5b7dc8a3f262e
• https://github.com/saitoha/libsixel/issues/207

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