VulnSea

redhat has 2,798 CVEs on record between 2010 and 2026. Disclosure cadence is accelerating: 1446 in the last 90 days against 609 in the 90 before. The busiest recent month was October 2026 with 627. The median CVSS is 6.5 (medium), with 135 rated critical. 0% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 2722 days (6 cases). The dominant weakness classes are CWE-125 (187) and CWE-787 (157). Most affected products: Red Hat Enterprise Linux 9 (275), Red Hat Enterprise Linux 10 (167), Linux (74).

CVEs per month

Last 12 months, by publish date

120102030405060708091011
Exploited share
0% vs 1% corpus
Median CVSS
6.5
Publish → KEV
2722 d median(6)
Last 90 days
1446 prev 609

Products

  • Red Hat Enterprise Linux 9 275
  • Red Hat Enterprise Linux 10 167
  • Linux 74
  • Red Hat Enterprise Linux BaseOS (v. 10) 55
  • Red Hat OpenShift AI (RHOAI) 50
  • build_of_keycloak 49
2798
Total CVEs
135
Critical
6
CISA KEV
7
Exploited

redhat vulnerabilities

CVEs affecting redhat, newest first. Open any entry for full detail, references, and exploit status.

2798 CVEsRSS

CVE-2026-56816High· 7.5
3mo ago

io.netty:netty-codec-http3: Netty: Denial of Service due to uncontrolled memory buffering in HTTP/3 (CVE-2026-56816)

A flaw was found in Netty. An unauthenticated remote attacker can exploit a vulnerability in Netty's `Http3FrameCodec` by sending specially crafted HTTP/3 reserved frames with excessive payload lengths. This can lead to uncontrolled memory…

▾ TwilightRed Hat · Red Hat OpenShift AI (RHOAI)EPSS 0.64%via CSAF
CVE-2026-56817High· 7.5
3mo ago

io.netty/netty-codec-xml: Netty: Information disclosure via XML External Entity (XXE) vulnerability (CVE-2026-56817)

A flaw was found in Netty, a network application framework. A remote attacker could exploit this vulnerability by sending specially crafted XML data containing a DOCTYPE declaration to a vulnerable XmlDecoder within the Netty channel pipel…

▾ TwilightRed Hat · Red Hat JBoss Enterprise Application Platform 7EPSS 0.69%via CSAF
CVE-2026-56820High· 7.4
3mo ago

io.netty/netty-handler-ssl-ocsp: Netty: Certificate revocation bypass via OCSP response replay attack (CVE-2026-56820)

A flaw was found in Netty. The `OcspClient` component fails to validate that the Certificate ID in an Online Certificate Status Protocol (OCSP) response matches the requested Certificate ID. This vulnerability allows a remote attacker to b…

▾ TwilightRed Hat · Red Hat Data Grid 8.6.3EPSS 0.31%via CSAF
CVE-2026-46600High· 7.5
3mo ago

golang.org/x/net/dns/dnsmessage: golang.org/x/net/dns/dnsmessage: Denial of Service via invalid DNS record parsing (CVE-2026-46600)

A flaw was found in golang.org/x/net/dns/dnsmessage. A remote attacker could send a specially crafted Service Binding (SVCB) or HTTPS resource record (RR) to a system using this component. When parsing this invalid record, the system may p…

▾ TwilightRed Hat · Red Hat Advanced Cluster Management for Kubernetes 2.15EPSS 0.55%via CSAF
CVE-2026-16277Medium· 6.5
3mo ago

Rpcbind: rpcbind: stack buffer overflow in rpcinfo rpcbaddrlist()

A stack-based buffer overflow was found in rpcbind's rpcinfo utility. When querying a remote rpcbind service with `rpcinfo -l`, address information returned by the server is copied into a fixed-size buffer without sufficient bounds check…

▾ SunlitRed Hat · rpcbindEPSS 0.51%via CVEORG
CVE-2026-15813Medium· 6.5
3mo ago

Kronosnet: kronosnet: memory corruption and out-of-bounds access via malformed network packet defragmentation

A vulnerability was found in the network packet de-fragmentation engine of kronosnet (Version affected <= 1.34). The internal reassembly code does not properly validate sequence numbers of incoming payload fragments. An attacker can expl…

▾ SunlitRed Hat · kronosnetEPSS 0.36%via CVEORG
CVE-2026-12701Critical· 9.0
3mo ago

Pulpcore: pulpcore: relative_path_validator bypass via directory traversal in filesystemexport

A path traversal vulnerability was found in pulpcore. The relative_path_validator function only verifies that content paths do not begin with "/" but fails to block directory traversal sequences such as "../" anywhere in the path. An aut…

▾ MidnightRed Hat · python3.12-pulpcoreEPSS 1.2%via CVEORG
CVE-2026-15588Medium· 5.3PoC
3mo ago

A denial-of-service and resource exhaustion vulnerability exists within the `GDBus` component of GLib

A denial-of-service and resource exhaustion vulnerability exists within the `GDBus` component of GLib. The `gdbusauth` authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticat…

▾ TwilightRed Hat · glib2EPSS 0.58%via NVD
CVE-2026-12080High· 7.3PoC
3mo ago

A flaw was found in the QEMU Guest Agent (qga)

A flaw was found in the QEMU Guest Agent (qga). A local unprivileged user can exploit a vulnerability in the guest-ssh-add-authorized-keys command handler by manipulating symbolic links. This can occur either through a deterministic dire…

▾ MidnightRed Hat · qemu-kvmEPSS 0.14%via NVD
CVE-2026-64612High· 7.5
3mo ago

A flaw was found in libcupsfilters and cups-filters

A flaw was found in libcupsfilters and cups-filters. The PNG image reading function creates a libpng reader without installing an error recovery handler, causing the CUPS image filter process to abort when processing a malformed PNG file…

▾ TwilightRed Hat · libcupsfiltersEPSS 0.70%via NVD
CVE-2026-64192Medium· 6.4
3mo ago

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM is uninitialized When CONFIG_BPF_LSM=y is set, BPF inode storage maps (BPF_MAP_TYPE_INODE_STORAGE) are compi…

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM is uninitialized When CONFIG_BPF_LSM=y is set, BPF inode storage maps (BPF_MAP_TYPE_INODE_STORAGE) are compi…

▾ SunlitRed Hat · Red Hat Enterprise Linux 9EPSS 0.12%via NVD
CVE-2026-16242Critical· 9.4
3mo ago

A flaw was found in the Konnectivity proxy-server configuration for hosted control planes

A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not va…

▾ MidnightRed Hat · multicluster-engine/hypershift-rhel9-operatorEPSS 0.92%via NVD
CVE-2026-64191High· 7.8
3mo ago

In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2C_SMBUS_I2C_BLOCK_DATA case in stub_xfer() uses data->block[0] as the transfer length

In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2C_SMBUS_I2C_BLOCK_DATA case in stub_xfer() uses data->block[0] as the transfer length. The existing che…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS (v. 9)EPSS 0.17%via NVD
CVE-2026-55831High· 7.5
3mo ago

io.netty/netty-codec-http: Netty: Denial of Service via SPDY SETTINGS frame processing (CVE-2026-55831)

A flaw was found in Netty, a network application framework. A remote attacker, by sending a specially crafted SPDY/3.1 SETTINGS frame, could cause the SPDY SETTINGS decoder to create a large number of map entries. This excessive processing…

▾ TwilightRed Hat · Red Hat JBoss EAP 8.1 for RHEL 8EPSS 0.66%via CSAF
CVE-2026-55833High· 7.5
3mo ago

netty: io.netty/netty-codec-http: Netty: Denial of Service via SPDY header decompression amplification (CVE-2026-55833)

A flaw was found in Netty, a network application framework. A remote attacker could exploit a vulnerability in the SPDY header decoding process. By sending a specially crafted, small compressed header block, the attacker can cause it to ex…

▾ TwilightRed Hat · Red Hat JBoss EAP 8.1 for RHEL 8EPSS 0.66%via CSAF
CVE-2026-64114High· 7.0
3mo ago

kernel: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114)

A flaw was found in the Linux kernel's handling of IPv4 raw sockets. An unprivileged attacker with CAP_NET_RAW capabilities can craft and inject a malformed IPv4 packet with an invalid Internet Header Length (IHL). This can lead to an out-…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS (v. 10)EPSS 0.14%via CSAF
CVE-2026-63984High· 7.0⚖ disputed
3mo ago

kernel: ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress() (CVE-2026-63984)

A flaw was found in the Linux kernel's IPv6 Routing Protocol for Low-Power and Lossy Networks (RPL) segment routing header (SRH) decompression function, ipv6_rpl_srh_decompress(). An integer overflow occurs when processing a specially craf…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS E4S (v.9.4)EPSS 0.51%via CSAF
CVE-2026-63924High· 7.0⚖ disputed
3mo ago

kernel: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() (CVE-2026-63924)

A flaw was found in the Linux kernel's handling of IPv6 extended headers. Specifically, the `ipv6_hop_jumbo()` function, which processes jumbo payloads, can modify internal packet buffer (skb) pointers. However, the network header (nh) poi…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS E4S (v.9.4)EPSS 0.71%via CSAF
CVE-2026-63922High· 7.0⚖ disputed
3mo ago

kernel: ipv6: exthdrs: refresh nh after handling HAO option (CVE-2026-63922)

A flaw was found in the Linux kernel's IPv6 extension header processing. When processing the Home Address Option (HAO), the cached network header pointer may become invalid if the packet's memory is reallocated. This can lead to incorrect …

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS E4S (v.9.4)EPSS 0.71%via CSAF
CVE-2026-63920High· 7.0
3mo ago

kernel: ipv6: validate extension header length before copying to cmsg (CVE-2026-63920)

A flaw was found in the Linux kernel's IPv6 networking stack. An unprivileged local user could exploit a vulnerability in how IPv6 extension header lengths are handled. By manipulating these headers using nftables, an attacker can trigger …

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS E4S (v.9.4)EPSS 0.17%via CSAF
CVE-2026-63833High· 7.1
3mo ago

In the Linux kernel, the following vulnerability has been resolved: ntfs3: reject direct userspace writes to reserved $LX* xattrs NTFS3 uses $LXUID, $LXGID, $LXMOD and $LXDEV as internal WSL permission metadata and reloads them into i_…

In the Linux kernel, the following vulnerability has been resolved: ntfs3: reject direct userspace writes to reserved $LX* xattrs NTFS3 uses $LXUID, $LXGID, $LXMOD and $LXDEV as internal WSL permission metadata and reloads them into i_…

▾ TwilightRed Hat · LinuxEPSS 0.14%via NVD
CVE-2026-63831High· 8.8
3mo ago

In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skb_cow_data() before in-place crypto llsec_do_encrypt_unauth(), llsec_do_encrypt_auth(), llsec_do_decrypt_unauth(), and llsec_do_decrypt_auth() …

In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skb_cow_data() before in-place crypto llsec_do_encrypt_unauth(), llsec_do_encrypt_auth(), llsec_do_decrypt_unauth(), and llsec_do_decrypt_auth() …

▾ TwilightRed Hat · Red Hat Enterprise Linux 9EPSS 0.31%via NVD
CVE-2026-63823High· 7.8
3mo ago

In the Linux kernel, the following vulnerability has been resolved: keys: Pin request_key_auth payload in instantiate paths A: request_key() B: KEYCTL_INSTANTIATE_IOV ================ ========================= create auth …

In the Linux kernel, the following vulnerability has been resolved: keys: Pin request_key_auth payload in instantiate paths A: request_key() B: KEYCTL_INSTANTIATE_IOV ================ ========================= create auth …

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS (v. 10)EPSS 0.16%via NVD
CVE-2026-63923High· 8.8
3mo ago

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify rvu_mbox_handler_rep_event_notify() in drivers/net/ethernet/marvell/ octeontx2/af/rvu_rep.c qu…

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify rvu_mbox_handler_rep_event_notify() in drivers/net/ethernet/marvell/ octeontx2/af/rvu_rep.c qu…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS (v. 9)EPSS 0.17%via NVD
CVE-2026-16221High· 7.5
3mo ago

fast-uri: Fast-uri: Security policy bypass due to URL parsing inconsistency (CVE-2026-16221)

A flaw was found in fast-uri. This vulnerability arises because fast-uri does not correctly interpret backslash characters as authority delimiters in Uniform Resource Locators (URLs), unlike Node.js's native WHATWG URL parser. This discrep…

▾ TwilightRed Hat · Red Hat Openshift Data Foundation 4.22EPSS 0.44%via CSAF
CVE-2026-63809Medium· 6.4
3mo ago

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree() for replaced sysctl write buffer proc_sys_call_handler() allocates its temporary sysctl buffer with kvzalloc() and passes it to __cgroup_bpf_run_filt…

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree() for replaced sysctl write buffer proc_sys_call_handler() allocates its temporary sysctl buffer with kvzalloc() and passes it to __cgroup_bpf_run_filt…

▾ SunlitRed Hat · Red Hat Enterprise Linux 9EPSS 0.15%via NVD
CVE-2026-63802High· 7.0
3mo ago

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur. The race happens when one blk…

▾ TwilightRed Hat · Red Hat Enterprise Linux 9EPSS 0.10%via NVD
CVE-2026-63801High· 7.0
3mo ago

In the Linux kernel, the following vulnerability has been resolved: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done tipc_aead_decrypt() goes straight from tipc_bearer_hold(b) to crypto_aead_decrypt(req) without taking a re…

In the Linux kernel, the following vulnerability has been resolved: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done tipc_aead_decrypt() goes straight from tipc_bearer_hold(b) to crypto_aead_decrypt(req) without taking a re…

▾ TwilightRed Hat · Red Hat Enterprise Linux 9EPSS 0.51%via NVD
CVE-2026-63797High· 7.8
3mo ago

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix use-after-free on probe error path rpmsg_chrdev_probe() stores the newly allocated eptdev in the default endpoint's priv pointer before calling rpmsg_…

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix use-after-free on probe error path rpmsg_chrdev_probe() stores the newly allocated eptdev in the default endpoint's priv pointer before calling rpmsg_…

▾ TwilightRed Hat · Red Hat Enterprise Linux 10EPSS 0.15%via NVD
CVE-2026-63794High· 7.0
3mo ago

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path In sev_dbg_crypt(), the per-iteration transfer length is bounded by the source page offset (PAGE_SIZE -…

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path In sev_dbg_crypt(), the per-iteration transfer length is bounded by the source page offset (PAGE_SIZE -…

▾ TwilightRed Hat · Red Hat Enterprise Linux BaseOS (v. 9)EPSS 0.14%via NVD
redhat vulnerabilities (CVEs) — page 58 · VulnSea