Bug 2456135

Summary: CVE-2026-28810 erlang: Erlang/OTP kernel: DNS cache poisoning via predictable DNS transaction IDs [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: erlangAssignee: Peter Lemenkov <lemenkov>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: jonathan, lemenkov, rhbugs, rjones
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["2d8f6b0d-366c-498f-a42d-10119adc79f0"]}
Fixed In Version: erlang-26.2.5.19-1.fc43 erlang-26.2.5.19-1.fc42 erlang-26.2.5.19-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-16 00:54:21 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2455868    

Description Jon Moroney 2026-04-07 18:30:38 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 Fedora Update System 2026-04-07 18:55:26 UTC
FEDORA-2026-2a93359b0b (erlang-26.2.5.19-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2a93359b0b

Comment 2 Fedora Update System 2026-04-07 18:55:31 UTC
FEDORA-2026-53a7ddccc8 (erlang-26.2.5.19-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-53a7ddccc8

Comment 3 Fedora Update System 2026-04-07 18:55:36 UTC
FEDORA-2026-dd4a7e240e (erlang-26.2.5.19-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-dd4a7e240e

Comment 4 Fedora Update System 2026-04-08 01:26:59 UTC
FEDORA-2026-2a93359b0b has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-2a93359b0b`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-2a93359b0b

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-04-08 01:52:08 UTC
FEDORA-2026-dd4a7e240e has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-dd4a7e240e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-dd4a7e240e

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-04-08 02:15:00 UTC
FEDORA-2026-53a7ddccc8 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-53a7ddccc8`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-53a7ddccc8

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-04-16 00:54:21 UTC
FEDORA-2026-53a7ddccc8 (erlang-26.2.5.19-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-16 01:09:20 UTC
FEDORA-2026-dd4a7e240e (erlang-26.2.5.19-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-04-25 01:38:07 UTC
FEDORA-2026-2a93359b0b (erlang-26.2.5.19-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.