NULL pointer dereference in Apache Http_server

CVE-2019-10097

In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buffer overflow or NULL pointer deference…

EPSS: 0.529 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-10097?
CVE-2019-10097 is a high-severity vulnerability in Apache Http_server, classified under NULL Pointer Dereference. CVSS score: 7.2/10. Published 2019-09-26.
How severe is CVE-2019-10097?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2019-10097 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.