L
Libsixel
Security Risk Profile
52
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 12 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from January 25, 2022 to present
12
Total CVEs
9
Critical+High
0
Exploited
9
Unpatched
Threat Assessment
Avg CVSS
6.9
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
9
Critical/High
Risk Level
52/100
medium
Severity Distribution
Critical
0High
9Medium
2Low
1Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
0Age Distribution
Common Weaknesses (CWE)
1
Integer Overflow
4
2
Buffer Overflow
4
3
Use After Free
4
4
Null Pointer Dereference
2
Most Affected Products
1. Libsixel libsixel12
2. saitoha libsixel9
3. Libsixel Project Libsixel4
Recent Vulnerabilities
See more →CVE-2026-44637
CVSS 7.1high
libsixel: integer overflow in parser
May 14, 2026🔧 No Patch
CVE-2026-44636
CVSS 7.8high
libsixel: integer overflow in encoder
May 14, 2026🔧 No Patch
CVE-2026-44638
CVSS 2.5low
libsixel: NULL pointer dereference
May 14, 2026🔧 No Patch
CVE-2026-33023
CVSS 7.8high
libsixel: Use-after-free in load_with_gdkpixbuf()
Apr 14, 2026🔧 No Patch
CVE-2026-33021
CVSS 7.3high
libsixel: Use-after-free in sixel_encoder_encode_bytes()
Apr 14, 2026🔧 No Patch
CVE-2026-33020
CVSS 7.1high
libsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer Overflow
Apr 14, 2026🔧 No Patch
CVE-2026-33019
CVSS 7.1high
libsixel: Integer overflow leads to Out-of-bounds Read in img2sixel
Apr 14, 2026🔧 No Patch
CVE-2026-33018
CVSS 7.0high
libsixel: Use-After-Free in load_gif()
Apr 14, 2026🔧 No Patch
CVE-2021-40656
CVSS 8.8high
Apr 8, 2022🔧 No Patch
CVE-2021-41715
CVSS 8.8high
Apr 8, 2022🔧 No Patch
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