Fixed packages 9
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021 | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-central | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-central-debuginfo | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-debuginfo | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-debugsource | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-host | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-host-debuginfo | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-vtep | 0:21.12.0-145.el8fdp |
| Red Hat · RHEL 8 enterprise_linux:8::fastdatapath | ovn-2021-vtep-debuginfo | 0:21.12.0-145.el8fdp |
Vulnerabilities 2
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High 8.6
Ovn: ovn: information disclosure via crafted dhcpv6 packets
A flaw was found in OVN (Open Virtual Network). A remote attacker, by sending crafted DHCPv6 (Dynamic Host Configuration Protocol for IPv6) SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet…
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Medium 6.5
Ovn: ovn: heap over-read in icmp error response generation
When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length (ip_tot_len for IPv4, ip6_plen for IPv6) without validati…
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2453458
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2455863
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article
https://issues.redhat.com/browse/FDP-3691
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_11694.json
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report
https://access.redhat.com/security/cve/CVE-2026-5265
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-5265
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-5265
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report
https://access.redhat.com/security/cve/CVE-2026-5367
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-5367
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-5367