What is CVE-2019-15639?

CVE-2019-15639 is a high-severity vulnerability in Digium Asterisk, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-09-09.

How severe is CVE-2019-15639?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Digium Asterisk

CVE-2019-15639

main/translate.c in Sangoma Asterisk 13.28.0 and 16.5.0 allows a remote attacker to send a specific RTP packet during a call and cause a crash in a specific scenario.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.219 (97.6th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.219 · newest: 0.219 · change: 0.000

Affected products

Digium Asterisk

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

packetstormsecurity.com/files/154372/Asterisk-Project-Security-Advisory-AST-201… (VDB Entry, Third Party Advisory)
downloads.asterisk.org/pub/security/AST-2019-005.html (Vendor Advisory)

Frequently asked questions

What is CVE-2019-15639?: CVE-2019-15639 is a high-severity vulnerability in Digium Asterisk, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-09-09.
How severe is CVE-2019-15639?: High severity. CVSS v3 base score is 7.5 out of 10.