CVE-2015-0228: apache http_server Improper Input Validation
Vulnerability summary
CVE-2015-0228 is a medium (CVSS 5.0) Improper Input Validation vulnerability in apache http_server. EPSS estimates a 16.47% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 08-03-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The lua_websocket_read function in lua_request.c in the mod_lua module in the Apache HTTP Server through 2.4.12 allows remote attackers to cause a denial of service (child-process crash) by sending a crafted WebSocket Ping frame after a Lua script has called the wsupgrade function.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
16.47%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
No change 0.00 pp
From 16.47% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Apple2 products
- mac_os_x10.10.4
- mac_os_x_server5.0.3
Apache1 product
- http_server≤ 2.4.12
Canonical1 product
- ubuntu_linuxEOL10.04 | 12.04 | 14.04 | 14.10
Debian1 product
- apache2< 2.4.10-10
Mageia1 product
- apache< 2.4.7-5.6.mga4
Opensuse1 product
- opensuseEOL13.2
6 vendors · 7 products
References
31 links- www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.htmlX Refsource CONFIRM
- advisories.mageia.org/MGASA-2015-0099.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRM
- github.com/apache/httpd/commit/643f0fcf3b8ab09a68f0ecd2aa37aafeda3e63efX Refsource CONFIRM
Show all 31 references
- support.apple.com/kb/HT205031X Refsource CONFIRM
- support.apple.com/HT205219X Refsource CONFIRM
- github.com/apache/httpd/commit/78eb3b9235515652ed141353d98c239237030410X Refsource CONFIRM
