cbcvebase.
CVE-2021-40656
published 2022-04-08

CVE-2021-40656: libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.

PriorityP339high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.00%
59.0th percentile
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.

Affected

5 ranges
VendorProductVersion rangeFixed in
debianlibsixel< libsixel 1.10.3-1 (bookworm)libsixel 1.10.3-1 (bookworm)
libsixellibsixel< 1.10.01.10.0
libsixel_projectlibsixel>= 0 < 1.10.3-11.10.3-1
libsixel_projectlibsixel>= 0 < 1.10.3-11.10.3-1
libsixel_projectlibsixel>= 0 < 1.10.3-11.10.3-1

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.