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Vulnerability record · CVE-2024-47619 · published 7 May 2025

CVE-2024-47619: Oneidentity syslog-ng improper certificate validation vulnerability

Oneidentity · Syslog Ng

syslog-ng is an enhanced log daemo. Prior to version 4.8.2, `tls_wildcard_match()` matches on certificates such as `foo.*.bar` although that is not allowed. It is also possible to pass partial wildcards such as `foo.a*c.bar` which glib matches but should be avoided / invalidated. This issue could have an impact on TLS connections, such as in man-in-the-middle situations. Version 4.8.2 contains a fix for the issue.

7.5 CVSS 3.1 High EPSS 0.35% · top 73.5% CWE-295 · Improper certificate validation
7.5CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

syslog-ng is an enhanced log daemo. Prior to version 4.8.2, `tls_wildcard_match()` matches on certificates such as `foo.*.bar` although that is not allowed. It is also possible to pass partial wildcards such as `foo.a*c.bar` which glib matches but should be avoided / invalidated. This issue could have an impact on TLS connections, such as in man-in-the-middle situations. Version 4.8.2 contains a fix for the issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/syslog-ng/syslog-ng/blob/b0ccc8952d333fbc2d97e51fddc0b569a15e7a7d/lib/transport/tls-verifier.c#L78-L1 Product
https://github.com/syslog-ng/syslog-ng/commit/dadfdbecde5bfe710b0a6ee5699f96926b3f9006 Patch
https://github.com/syslog-ng/syslog-ng/releases/tag/syslog-ng-4.8.2 Release Notes
https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-xr54-gx74-fghg ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00034.html Mailing ListThird Party Advisory
https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-xr54-gx74-fghg ExploitVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2024-47619), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.