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

CVE-2025-61146

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

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

MEDIUM · CVSS 4 EPSS 0.00017
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

1
saitoha libsixel< 1.8.7
▣

Scoring & Timeline

4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Feb 2026 · 07:22 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gist.github.com/optionGo/1100e5be05c5558501a95f5e99160584Third Party Advisory
https://github.com/saitoha/libsixel/commit/e0ba6685262a3679cc5b9009c0c5b7dc8a3f262ePatch
https://github.com/saitoha/libsixel/issues/207Issue TrackingVendor Advisory
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