CVE catalog

CVE-2026-106026

Severity: Medium · CVSS 6.3CVSS: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
Published: Oct 6, 2026, 2:17:42 PM UTC
Updated: Oct 6, 2026, 2:17:42 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.37% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	tftp-hpa	sid	`7.2+20261013-2`	fixed
Debian	tftp-hpa	forky	`7.2+20261013-2`	fixed
Debian	tftp-hpa	trixie	`5.2+20240610-3`	vulnerable
Debian	tftp-hpa	bookworm	`5.2+20150808-1.4`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	tftp-hpa	source	sid	`7.1-1`	not yet assigned	Not reported	Not reported
Debian	tftp-hpa	source	forky	`7.1-1`	not yet assigned	Not reported	Not reported
Debian	tftp-hpa	source	trixie	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	tftp-hpa	source	bookworm	`(unfixed)`	not yet assigned	Not reported	Not reported

Notes

[trixie] tftp-hpa: Minor issue [bookworm] tftp-hpa: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[tftpd-hpa]Affected
Source package: [tftp-hpa]
Details (2)
- 5.2+20150808-1.4 · amd64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12
- 5.2+20150808-1.4 · arm64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12
[tftp-hpa]Affected
Details (2)
- 5.2+20150808-1.4 · amd64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12
- 5.2+20150808-1.4 · arm64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12
[tftp-hpa-dbg]Affected
Source package: [tftp-hpa]
Details (2)
- 5.2+20150808-1.4 · amd64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12
- 5.2+20150808-1.4 · arm64 · bookworm
  Affected
  nvd · tftp-hpa · debian · bookworm; nvd · tftp-hpa · debian · 12

[Debian 13 (Trixie)]

[tftpd-hpa]Affected
Source package: [tftp-hpa]
Details (2)
- 5.2+20240610-3 · amd64 · trixie
  Affected
  nvd · tftp-hpa · debian · 13
- 5.2+20240610-3 · arm64 · trixie
  Affected
  nvd · tftp-hpa · debian · 13
[tftp-hpa]Affected
Details (2)
- 5.2+20240610-3 · amd64 · trixie
  Affected
  nvd · tftp-hpa · debian · 13
- 5.2+20240610-3 · arm64 · trixie
  Affected
  nvd · tftp-hpa · debian · 13

Observed: Oct 23, 2026, 7:40:37 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]