CVE-2019-18976

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

6.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 93.3% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-11-22 16:59Z6 YR AGO

Last updated

2024-08-05 02:02Z2 YR AGO

Reserved

2019-11-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

fc39508f1fc0ae4fb29e98358c377993b4a6d8748fe798a787a75e8488da6fd6

• www.asterisk.orghttps://www.asterisk.org/downloads/security-advisoriesx_refsource_MISC
• www.cybersecurity-help.czhttps://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1x_refsource_MISC
• packetstormsecurity.comhttps://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.htmlx_refsource_MISC
• seclists.orghttps://seclists.org/fulldisclosure/2019/Nov/20x_refsource_MISC
• downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2019-008.htmlx_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security updatehttps://lists.debian.org/debian-lts-announce/2022/04/msg00001.htmlmailing-listx_refsource_MLIST