What is CVE-2021-45340?

CVE-2021-45340 is a medium-severity vulnerability in Libsixel, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2022-01-25.

How severe is CVE-2021-45340?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Libsixel

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.

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libsixel
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-45340?: CVE-2021-45340 is a medium-severity vulnerability in Libsixel, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2022-01-25.
How severe is CVE-2021-45340?: Medium severity. CVSS v3 base score is 6.5 out of 10.