Veille CVE
CVE-2026-85234
7.5 ÉlevéeDescription
A flaw was found in tftp-hpa. When the `in.tftpd` remap engine processes an inverse remap rule that also aborts with a non-empty custom error message, it can pass invalid match offsets to the `genmatchstring()` function. This leads to out-of-bounds read/write operations. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted request, causing the daemon to crash and resulting in a denial of service.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | secalert@redhat.com | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Faiblesses (CWE)
Références
- https://access.redhat.com/errata/RHSA-2026:78952
- https://access.redhat.com/errata/RHSA-2026:80663
- https://access.redhat.com/errata/RHSA-2026:82280
- https://access.redhat.com/security/cve/CVE-2026-85234
- https://bugzilla.redhat.com/show_bug.cgi?id=2460997
- https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/commit/?id=4b493532f5ce052a1c124acd0661233ec7918327