CVE-2018-1303
7.5
HIGH
CVSS 3.1
EPSS 70.8%
Description
A specially crafted HTTP request header could have crashed the Apache HTTP Server prior to version 2.4.30 due to an out of bound read while preparing data to be cached in shared memory. It could be used as a Denial of Service attack against users of mod_cache_socache. The vulnerability is considered as low risk since mod_cache_socache is not widely used, mod_cache_disk is not concerned by this vulnerability.
How to fix CVE-2018-1303
To remediate CVE-2018-1303, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.33-r0 or later
- —upgrade to 2.4.33-1 or later
Is CVE-2018-1303 being exploited?
Likely — EPSS is 70.8%, placing CVE-2018-1303 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 2.4.33-r0
- from 0, < 2.4.33-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |