CVE-2021-33642 describes an infinite loop vulnerability in the next_inline() function of more_curly() within openeuler byacc. This medium-severity flaw (CVSS 5.5) can lead to a denial of service (availability impact) when a specially crafted file is processed, requiring user interaction to trigger. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.9.20200330CPE matchmatch criteria | cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:* | ||
>= 2.0, < 2.0.20210808CPE matchmatch criteria | cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.