DEBIAN-CVE-2026-106026

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Source
https://security-tracker.debian.org/tracker/CVE-2026-106026
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-106026
Upstream
Published
2026-10-06T14:17:42Z
Modified
2026-10-07T05:00:08Z
Severity
  • 6.3 (Medium) CVSS_V4 - 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / tftp-hpa

Package

Name
tftp-hpa
Purl
pkg:deb/debian/tftp-hpa?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.2+20150808-1.4
5.2+20150808-2
5.2+20240610-1
5.2+20240610-2
5.2+20240610-3
5.3+20251110-1
5.3+20251116-1
5.3+20251209-1
5.3+20251209-2
5.4-1
5.4-2
7.*
7.1-1
7.2-1
7.2-2
7.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"

Debian:13 / tftp-hpa

Package

Name
tftp-hpa
Purl
pkg:deb/debian/tftp-hpa?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.2+20240610-3
5.3+20251110-1
5.3+20251116-1
5.3+20251209-1
5.3+20251209-2
5.4-1
5.4-2
7.*
7.1-1
7.2-1
7.2-2
7.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"

Debian:14 / tftp-hpa

Package

Name
tftp-hpa
Purl
pkg:deb/debian/tftp-hpa?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.2+20240610-3
5.3+20251110-1
5.3+20251116-1
5.3+20251209-1
5.3+20251209-2
5.4-1
5.4-2
7.*
7.1-1
7.2-1
7.2-2
7.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106026.json"