CVE-2026-106026
lowtftp-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.
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.
CVSS
3.7
3.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-06 14:17
Modified: 2026-10-06 18:16
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:57 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/ disclosure@vulncheck.com
- https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/commit/?id=6735086fb6475c3e1f1daf... disclosure@vulncheck.com
- https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/tree/tftpd/remap.c?h=tftp-hpa-5.4... disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/tftp-hpa-5.4-before-6.0-out-of-bounds-read-via-tftpd-... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:57 UTC · record ↗