Libsixel
This hub aggregates every CVE we track for Libsixel, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
52
CVEs tracked
4
Critical
23
High
0
In CISA KEV
Severity distribution
MEDIUM24HIGH23CRITICAL4LOW1
Monthly trend
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
5
3
0
2024-072026-06
Latest CVEs
The 15 most recently published vulnerabilities affecting Libsixel.
- CVE-2026-44637libsixel: integer overflow in parser7.1
- CVE-2026-44636libsixel: integer overflow in encoder7.4
- CVE-2026-44638libsixel: NULL pointer dereference2.5
- CVE-2026-33023libsixel: Use-after-free in load_with_gdkpixbuf()7.8
- CVE-2026-33021libsixel: Use-after-free in sixel_encoder_encode_bytes()7.3
- CVE-2026-33020libsixel: Integer Overflow in write_png_to_file() leads to Heap-based Buffer Overflow7.1
- CVE-2026-33019libsixel: Integer overflow leads to Out-of-bounds Read in img2sixel7.1
- CVE-2026-33018libsixel: Use-After-Free in load_gif()7.0
- CVE-2025-61146saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.4.0
- CVE-2025-9300saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow5.3
- CVE-2022-29978There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via ...6.5
- CVE-2022-29977There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a cr...6.5
- CVE-2021-40656libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.8.8
- CVE-2022-27044libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.8.8
- CVE-2021-41715libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.8.8
Product normalization is registry-driven with AI assist and human review. How it works