sslh Packet Dumping probe.c hexdump format string

Description

A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.

Scores

EPSS (exploitation in 30 days)

0.93% · top 39% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.6.

Weakness

• CWE-119 Memory Corruption -> CWE-134 Format String (opens in a new tab)All about CWE-119 and its CVEs
• CWE-134 (opens in a new tab)All about CWE-134 and its CVEs

Affected products

• unspecified · sslh

  • affected n/a

References (3)

• https://github.com/yrutschle/sslh/pull/353 (opens in a new tab)x_transferred
• https://github.com/yrutschle/sslh/commit/b19f8a6046b080e4c2e28354a58556bb26040c6f (opens in a new tab)x_transferred
• https://vuldb.com/?id.216497 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-4639](https://trackcve.app/badge/CVE-2022-4639.svg)](https://trackcve.app/cve/CVE-2022-4639)

Record last updated 14 Apr 2025, 17:27 UTC.