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3201
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
Un desbordamiento de búfer en la región heap de la memoria en la función sixel_encoder_output_without_macro en el archivo encoder.c de Libsixel versión 1.8.4, permite a atacantes causar una denegaci…
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21677
|
2026-04-24 21:56 |
2021-08-11 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3202
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
|
NVD-CWE-noinfo
|
CVE-2020-21048
|
2026-04-24 21:56 |
2021-09-15 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3203
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
Un problema en el componente dither.c de libsixel versiones anteriores a v1.8.4, permite a atacantes causar una denegación de servicio (DOS) por medio de un archivo PNG diseñado
|
NVD-CWE-noinfo
|
CVE-2020-21048
|
2026-04-24 21:56 |
2021-09-15 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3204
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21050
|
2026-04-24 21:56 |
2021-09-15 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3205
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
Libsixel versiones anteriores a v1.8.3, contiene un desbordamiento del buffer de pila en la función gif_process_raster en el archivo fromgif.c
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21050
|
2026-04-24 21:56 |
2021-09-15 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3206
|
8.8 |
HIGH
Network
|
saitoha
|
libsixel
|
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21547
|
2026-04-24 21:56 |
2021-09-18 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3207
|
8.8 |
HIGH
Network
|
saitoha
|
libsixel
|
Libsixel versión 1.8.2, contiene un desbordamiento de búfer en la región heap de la memoria en la función dither_func_fs en el archivo tosixel.c
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21547
|
2026-04-24 21:56 |
2021-09-18 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3208
|
8.8 |
HIGH
Network
|
saitoha
|
libsixel
|
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21548
|
2026-04-24 21:56 |
2021-09-18 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3209
|
8.8 |
HIGH
Network
|
saitoha
|
libsixel
|
Libsixel versión 1.8.3, contiene un desbordamiento de búfer en la región heap de la memoria en la función sixel_encode_highcolor en el archivo tosixel.c
|
CWE-787
Out-of-bounds Write
|
CVE-2020-21548
|
2026-04-24 21:56 |
2021-09-18 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
3210
|
6.5 |
MEDIUM
Network
|
saitoha
|
libsixel
|
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
|
CWE-415
Double Free
|
CVE-2021-46700
|
2026-04-24 21:56 |
2022-02-20 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
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