CVE-2021-40656

libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.02% chance of exploitation in the next 30 days, 61th percentile

Published

2022-04-08

Updated

2024-08-04

Proof-of-concept exploits (1)

• libsixel/libsixel/issues/25

References

• CVE Record
• NVD entry

Related

• CVE-2021-41715
• CVE-2021-45340
• CVE-2021-40655
• CVE-2021-40658
• CVE-2021-40651
• CVE-2021-40660