SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-19757

There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.

MEDIUM 6.5EPSS 0.86%

Does this matter?

Lower severity and a low EPSS score (0.86%). Track it; it rarely justifies an emergency change on its own.

Description

There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
0.86% probability · 58th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-476
Affected
saitoha/libsixel
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.86%27 October 202627 October 2026

EPSS 0.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.