MEDIUM
CVE-2025-61146
Published: February 23, 2026· Updated: Feb 26, 2026
4.0
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.6th
Official Description
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
Technical Analysis
CVE-2025-61146 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
libsixel_project1 product
libsixel
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (3)
→
https://gist.github.com/optionGo/1100e5be05c5558501a95f5e99160584Third Party Advisory
→
https://github.com/saitoha/libsixel/issues/207Issue Tracking · Vendor Advisory
Quick Facts
CVE IDCVE-2025-61146
CVSS Score4.0 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedFeb 23, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-61146 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.