CVE reports

The Common Vulnerabilities and Exposures (CVE) system is used to identify, define, and catalog publicly disclosed cybersecurity vulnerabilities. Canonical keeps track of all CVEs affecting Ubuntu, and releases a security notice when an issue is fixed. You can find additional guidance for high-profile vulnerabilities in the Ubuntu Vulnerability Knowledge Base section


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Recent CVEs

CVE-2026-10846

High priority

Some fixes available 6 of 7

NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as (stub) resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the...

1 affected package

ldns


CVE-2026-46320

High priority
Vulnerable

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tap_get_user_xdp() tap_get_user_xdp() rejects a frame shorter than ETH_HLEN with -EINVAL, and returns -ENOMEM when build_skb()...

158 affected packages

linux, linux-hwe, linux-hwe-5.4, linux-hwe-5.8, linux-hwe-5.11...


CVE-2026-46319

High priority
Vulnerable

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When looking up a flow table in act_ct in tcf_ct_flow_table_get(), rhashtable_lookup_fast() internally...

158 affected packages

linux, linux-hwe, linux-hwe-5.4, linux-hwe-5.8, linux-hwe-5.11...


CVE-2026-45447

High priority

Some fixes available 9 of 17

Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or...

5 affected packages

edk2, nodejs, openssl, openssl-fips, openssl1.0


CVE-2026-11645

High priority
Not affected

Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

1 affected package

chromium-browser