CVE-2026-106026

tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule

Published Oct 6, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 6, 2026, 5:15 PM
Reserved
Oct 6, 2026, 1:13 PM
Status
Deferred
Published
Oct 6, 2026, 2:17 PM
Modified
Oct 6, 2026, 6:16 PM