Buffer overflow in Apache Http_server

CVE-2018-1301

A specially crafted request could have crashed the Apache HTTP Server prior to version 2.4.30, due to an out of bound access after a size limit is reached by reading the HTTP header. This vulnerability is considered very hard if not imposs…

Vulnerability class: Buffer Overflow

EPSS: 0.156 (96.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1301?
CVE-2018-1301 is a medium-severity vulnerability in Apache Http_server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2018-03-26.
How severe is CVE-2018-1301?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2018-1301 known to be exploited?
41 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.