SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26927

A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.

MEDIUM 5.5EPSS 1.09%

Does this matter?

Lower severity and a low EPSS score (1.09%). Track it; it rarely justifies an emergency change on its own.

Description

A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.09% probability · 65th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-476
Affected
jasper project/jasper · fedoraproject/fedora
Source
secalert@redhat.com
EPSS trend
0%3%5%26 October 2026: 1.09%26 October 202626 October 2026

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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