CVE-2017-9227 is a critical stack out-of-bounds read vulnerability in Oniguruma 6.2.0, affecting Ruby through 2.4.1 and PHP through 7.1.5. This flaw, specifically in the mbc_enc_len() function during regular expression searching, can lead to an invalid pointer dereference due to improper handling of reg->dmin in forward_search_range(). With a CVSS score of 9.8 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.2.0CPE matchmatch criteria | cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:*:*:*:*:*:*:* | ||
>= 5.6.0, < 5.6.31CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 7.0.0, < 7.0.21CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 7.1.0, < 7.1.7CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.