PT-2026-40991 · Julia · Curl Jll+1

Published 2026-05-04 · Updated 2026-05-04

OSV

When curl < 7.84.0 does FTP transfers secured by krb5, it handles message verification failures wrongly. This flaw makes it possible for a Man-In-The-Middle attack to go unnoticed and even allows it to inject data to the client.

Related Identifiers

JLSEC-2026-395

Affected Products

Curl Jll

Libcurl Jll

References · 10

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-395 · Vendor Advisory
• https://debian.org/security/2022/dsa-5197 · Vendor Advisory
• https://security.netapp.com/advisory/ntap-20220915-0003 · Note
• http://seclists.org/fulldisclosure/2022/Oct/41 · Note
• https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html · Note
• http://seclists.org/fulldisclosure/2022/Oct/28 · Note
• https://hackerone.com/reports/1590071 · Note
• https://support.apple.com/kb/HT213488 · Note
• https://security.gentoo.org/glsa/202212-01 · Note