Low 3.7Published Oct 6, 2026

CVE-2026-106026tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule

Updated under an hour ago (Oct 28, 2026, 5:50 AM ET)

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It affects H. Peter Anvin tftp-hpa. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for H. Peter Anvin tftp-hpa

Exploited in the last 30 days

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 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

H. Peter Anvin tftp-hpa h_peter_anvin:tftp_hpa (from the name)	from 5.4 before 6.0	CNA record

References

References

https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/commit/?id=6735086fb6475c3e1f1daf9829836b3d06f14291	patch
https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/tree/tftpd/remap.c?h=tftp-hpa-5.4#n762	technical-description
https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/	product
https://www.vulncheck.com/advisories/tftp-hpa-5.4-before-6.0-out-of-bounds-read-via-tftpd-remap-jump-rule	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.