CVE-2025-61146: saitoha libsixel
CVSS: 4.0v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-61146DEBIAN-CVE-2025-61146
Published 23-02-2026Last modified 23-02-2026
Vulnerability summary
CVE-2025-61146 is a medium (CVSS 4.0) vulnerability in saitoha libsixel. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 1.9% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.13%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-02-2026PublishedVulnerability first disclosed.
- 23-02-2026Last modifiedVulnerability information updated.
Description
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 4.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.13%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
+0.01 pp
From 0.12% on 19-09-2026
19-09-202619-10-2026
EPSS score0.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- libsixelAll versions (No fix recorded)
Saitoha1 product
- libsixel< 1.8.7
Ubuntu1 product
- libsixelAll versions (No fix recorded)
3 vendors · 3 products
