View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2021-45340 not yet assigned priority: Debian including 2 source packages (libsixel, libstb), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 7, resolved 3.
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.