Products: 1
Vulnerabilities: 4
Known Exploited: 0
0
Critical Level Threats
2
High Level Threats
2
Medium Level Threats
0
Low Level Threats
Vulnerabilities
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Vulnerabilities
CVE-2021-40656
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
Last Modified: Apr 24, 2026
Published: Apr 08, 2022
CVE-2021-41715
libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.
Last Modified: Apr 23, 2026
Published: Apr 08, 2022
CVE-2022-27938
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
Last Modified: Apr 24, 2026
Published: Mar 26, 2022
CVE-2021-45340
In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
Last Modified: Apr 24, 2026
Published: Jan 25, 2022
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