Description
tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.
Published: 2026-10-06
Score: 6.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 06 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.
Title tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule
First Time appeared Tftp-hpa Project
Tftp-hpa Project tftp-hpa
Weaknesses CWE-125
CPEs cpe:2.3:a:tftp-hpa_project:tftp-hpa:*:*:*:*:*:*:*:*
Vendors & Products Tftp-hpa Project
Tftp-hpa Project tftp-hpa
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

Tftp-hpa Project Tftp-hpa
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-06T13:35:48.642Z

Reserved: 2026-10-06T13:13:19.964Z

Link: CVE-2026-106026

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses