CVE-2026-17423 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information and cause a denial of service due to an out-of-bounds read...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

CVE-2026-17195 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to an out-of-bounds write...

CVE-2026-17195

CVE-2026-17195 is an out-of-bounds write vulnerability in IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 that allows a local attacker with low privileges to cause a denial of service . The CVSS 3.1 score is 6.5 (Medium) with a changed scope, reflecting the local attack vector and high availability imp...

CVE-2026-17170

IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 fail to properly validate an allocation size, allowing an unauthenticated remote attacker to trigger a denial of service (CVSS 7.5 HIGH, availability impact). IBM's support page (https://www.ibm.com/support/pages/node/7283858) may contain patch details. No in...

CVE-2026-17170 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to improper validation of an allocation size...

CVE-2026-17165

CVE-2026-17165 affects IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 . A remote, unauthenticated attacker can trigger a NULL pointer dereference to cause a denial of service . The CVSS 3.1 score is 7.5 (HIGH) with a network attack vector, low complexity, and no required privileges or user interaction...

CVE-2026-17165 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a NULL pointer dereference...

CVE-2026-17163

IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 are vulnerable to a network-based denial-of-service attack (CVSS 7.5) caused by improper validation of an array size field; no exploit or patch details are provided in the documents, so monitor IBM's support page for remediation guidance.

CVE-2026-17163 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to improper validation of an array size field...

CVE-2026-17159

CVE-2026-17159 is an integer overflow vulnerability in IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 that allows a remote attacker to cause a denial of service . The CVSS 3.1 score is 7.5 (HIGH) , with a network attack vector requiring no privileges and no user interaction . CISA SSVC assessment indi...

CVE-2026-17159 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an integer overflow...

CVE-2026-17121 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to uncontrolled recursion...

CVE-2026-17121

CVE-2026-17121 affects IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 . A remote attacker can trigger uncontrolled recursion to cause a denial of service , with no authentication or user interaction required. The CVSS 3.1 score is 7.5 (HIGH) with high availability impact. CISA SSVC assesses no known e...

CVE-2026-17120 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a buffer overflow...

CVE-2026-17120

CVE-2026-17120 is a buffer overflow in IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 that allows a remote, unauthenticated attacker to cause a denial of service over the network. The CVSS v3.1 base score is 5.3 (MEDIUM) with low availability impact. CISA SSVC assessment indicates no known exploitatio...

CVE-2026-17060

IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 contain a kernel heap over-read exploitable by an adjacent-network attacker with no privileges, yielding high confidentiality impact and denial of service. CVSS 8.1 HIGH; IBM PSIRT source. No exploitation details or patch versions provided in documents. Moni...

CVE-2026-17009

IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 contain a NULL pointer dereference exploitable by a local attacker with low privileges, causing denial of service (CVSS 4.7 MEDIUM). Exploitation requires high complexity; no exploit code or in-the-wild activity is documented. The IBM support reference is prov...