What is CVE-2023-42119?

CVE-2023-42119 is a low-severity vulnerability in Exim, classified under Out-of-bounds Read. CVSS score: 3.1/10. Published 2024-05-03.

How severe is CVE-2023-42119?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2023-42119 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Exim

CVE-2023-42119

Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vu…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Exim — versions exim 4.96-RC0-14-24b8ed847-XX

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

References

ZDI-23-1473 (x_research-advisory)

Frequently asked questions

What is CVE-2023-42119?: CVE-2023-42119 is a low-severity vulnerability in Exim, classified under Out-of-bounds Read. CVSS score: 3.1/10. Published 2024-05-03.
How severe is CVE-2023-42119?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2023-42119 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.