CVE-2023-42119 is an out-of-bounds read vulnerability in Exim's dnsdb component, affecting Exim mail servers. This flaw, residing in the SMTP service, allows network-adjacent attackers to disclose sensitive information without authentication due to improper validation of user-supplied data. While rated as LOW severity (CVSS 3.1), it could be chained with other vulnerabilities for arbitrary code execution. There is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has garnered moderate community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.96.2CPE matchmatch criteria | cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.