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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. SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process.
FEDORA-2026-e377b4938d (sipp-3.7.7-5.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-e377b4938d
FEDORA-2026-b0077de9df (sipp-3.7.7-5.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-b0077de9df
FEDORA-2026-3059115f48 (sipp-3.7.7-5.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-3059115f48
FEDORA-2026-b0077de9df 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-b0077de9df` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b0077de9df See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-3059115f48 has been pushed to the Fedora 45 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-3059115f48` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-3059115f48 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-e377b4938d 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-e377b4938d` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e377b4938d See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-3059115f48 (sipp-3.7.7-5.fc45) has been pushed to the Fedora 45 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-e377b4938d (sipp-3.7.7-5.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-b0077de9df (sipp-3.7.7-5.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.