Buffer overflow in Embedthis Goahead

CVE-2019-19240

Embedthis GoAhead before 5.0.1 mishandles redirected HTTP requests with a large Host header. The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow. This can cause a copy of the Host header to fail, l…

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-19240?
CVE-2019-19240 is a medium-severity vulnerability in Embedthis Goahead, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2019-11-22.
How severe is CVE-2019-19240?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-19240 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.