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Vulnerabilities

Vulnerability · CVE-2025-61146

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

Published Feb 23, 2026 · catalog updated Jun 17, 2026 · saitoha libsixel until v1.8.7

Check if you run it

No confirmed exploitation is on record for CVE-2025-61146. EPSS is 0.13%. Act only if a listed version of saitoha libsixel until v1.8.7 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (saitoha libsixel until v1.8.7).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Advisory link
Affected products
cpe saitoha/libsixel

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe saitoha/libsixelversion unspecified

How to fix CVE-2025-61146

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-61146. EPSS is 0.13%. Act only if a listed version of saitoha libsixel until v1.8.7 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-401: Missing Release of Memory after Effective Lifetime. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 23, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-61146

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-61146

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2025-61146

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.