CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (Oct 28, 2026, 10:40 PM ET)

What this means for you

This week: 3,083 CVEs published, 232 critical, and 4 newly confirmed exploited. Add your stack to see whether any of them hit you.

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This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 3,083; Show in the list
Critical, last 7 days: 232; Show in the list
Healthcare-tagged, last 7 days: 9; Show in the list
Known exploited (CISA KEV): 1,762; Show in the list

Showing CVEs that name the product tenable:nessus. Show all products

19 CVEs

Showing 1 to 10.

CVE	Severity	Title	Published
CVE-2018-5407	Medium 4.7	Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'. Assigned by certcc	Nov 15, 2018
CVE-2018-20843	High 7.5	In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enoug… Assigned by mitre	Jun 24, 2019
CVE-2021-3449	Medium 5.9	NULL pointer deref in signature_algorithms processing Assigned by openssl	Mar 25, 2021
CVE-2021-3450	High 7.4	CA certificate check bypass with X509_V_FLAG_X509_STRICT Assigned by openssl	Mar 25, 2021
CVE-2021-45960	High 8.8	In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memo… Assigned by mitre	Jan 1, 2022
CVE-2021-46143	High 8.1	In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. Assigned by mitre	Jan 5, 2022
CVE-2022-22827	High 8.8	storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. Assigned by mitre	Jan 7, 2022
CVE-2022-22826	High 8.8	nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. Assigned by mitre	Jan 7, 2022
CVE-2022-22825	High 8.8	lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. Assigned by mitre	Jan 7, 2022
CVE-2022-22824	Critical 9.8	defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. Assigned by mitre	Jan 7, 2022

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.