Bug 2491644 - CVE-2026-42790 erlang: Erlang OTP public_key: Certificate validation bypass allows hostname spoofing [fedora-all]
Summary: CVE-2026-42790 erlang: Erlang OTP public_key: Certificate validation bypass a...
Keywords:
Status: CLOSED RAWHIDE
Alias: None
Product: Fedora
Classification: Fedora
Component: erlang
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: ---
Assignee: Peter Lemenkov
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["a0cb3193-741e-4092-9cfc-f...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-23 08:07 UTC by Mirco Geremia
Modified: 2026-07-10 14:53 UTC (History)
4 users (show)

Fixed In Version: erlang-27.3.4.14-1.fc45
Clone Of:
Environment:
Last Closed: 2026-07-10 14:53:29 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Mirco Geremia 2026-06-23 08:07:15 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Peter Lemenkov 2026-07-10 14:53:29 UTC 
CVE-2026-42790 is addressed across all active Fedora branches:

- rawhide (f45): fixed in erlang-27.3.4.14-1.fc45 (public_key fix present since OTP 27.3.4.12)
- f44 / f43: fixed in erlang-26.2.5.21 (upstream fix landed in OTP 26.2.5.21; both branches have shipped 26.2.5.21-3 as stable since 2026-06-13)

Closing as fixed.
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