What is CVE-2019-19638?

CVE-2019-19638 is a critical-severity vulnerability in Saitoha Libsixel, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-12-08.

How severe is CVE-2019-19638?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Saitoha Libsixel

CVE-2019-19638

An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function load_pnm at frompnm.c, due to an integer overflow.

Vulnerability class: Integer Overflow

EPSS: 0.012 (65.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Saitoha Libsixel — versions 1.8.2
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound
CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-19638?: CVE-2019-19638 is a critical-severity vulnerability in Saitoha Libsixel, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-12-08.
How severe is CVE-2019-19638?: Critical severity. CVSS v3 base score is 9.8 out of 10.