Known vulnerabilities in Ubuntu - page 56

Vendor: Canonical Ltd.
Software: Ubuntu
Software CPE: cpe:2.3:o:canonical:ubuntu:*:*:*:*:*:*:*:*
Website: https://www.ubuntu.com/
Total vulnerabilities: 16913
Public exploits: 540
Known exploited (KEV): 132
Highest CVSSv4 Score: 9.5

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Ubuntu Ubuntu is affected by 16913 known vulnerabilities: 74 critical, 1863 high, 3894 medium, 11079 low Critical High Medium Low

Vulnerabilities (16913)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU138723 - Divide By Zero
CVE-2026-63935		 CWE-369 Low
No
No
 - 20.07.2026 SB20260720308
SB2026072366
SB2026072479
and 4 more
#VU138722 - Use of Uninitialized Variable
CVE-2026-63934		 CWE-457 Low
No
No
 - 20.07.2026 SB20260720307
SB2026072366
SB2026072479
and 4 more
#VU138721 - Divide By Zero
CVE-2026-63933		 CWE-369 Low
No
No
 - 20.07.2026 SB20260720306
SB2026072366
SB2026072479
and 4 more
#VU138720 - Stack-based buffer overflow
CVE-2026-63932		 CWE-121 Low
No
No
 - 20.07.2026 SB20260720305
SB2026072366
SB2026072479
and 4 more
#VU138719 - Divide By Zero
CVE-2026-63931		 CWE-369 Low
No
No
 - 20.07.2026 SB20260720304
SB2026072366
SB2026072479
and 4 more
#VU138718 - Use After Free
CVE-2026-63930		 CWE-416 Low
No
No
 - 20.07.2026 SB20260720303
SB2026072366
SB2026072479
and 4 more
#VU138717 - Missing release of memory after effective lifetime
CVE-2026-63929		 CWE-401 Low
No
No
 - 20.07.2026 SB20260720302
SB2026072366
SB2026072479
and 4 more
#VU138716 - Out-of-bounds write
CVE-2026-63928		 CWE-787 Medium
No
No
 - 20.07.2026 SB20260720301
SB2026072366
SB2026072479
and 7 more
#VU138714 - Use After Free
CVE-2026-63944		 CWE-416 Low
No
No
 - 20.07.2026 SB20260720298
SB2026072366
SB2026072479
and 5 more
#VU138713 - Out-of-bounds read
CVE-2026-63943		 CWE-125 Medium
No
No
 - 20.07.2026 SB20260720297
SB2026072366
SB2026072479
and 4 more
#VU138712 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-63942		 CWE-362 Low
No
No
 - 20.07.2026 SB20260720296
SB2026072366
SB2026072479
and 4 more
#VU138711 - Improper Access Control
CVE-2026-63941		 CWE-284 Low
No
No
 - 20.07.2026 SB20260720295
SB2026072366
SB2026072479
and 4 more
#VU138710 - Integer underflow
CVE-2026-63940		 CWE-191 Low
No
No
 - 20.07.2026 SB20260720294
SB2026072366
SB2026072479
and 5 more
#VU138709 - Heap-based Buffer Overflow
CVE-2026-63939		 CWE-122 Low
No
No
 - 20.07.2026 SB20260720293
SB2026072366
SB2026072479
and 4 more
#VU138708 - Out-of-bounds read
CVE-2026-63938		 CWE-125 Low
No
No
 - 20.07.2026 SB20260720292
SB2026072366
SB2026072479
and 4 more
#VU138707 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-63937		 CWE-367 Low
No
No
 - 20.07.2026 SB20260720291
SB2026072366
SB2026072479
and 4 more
#VU138706 - Use of Uninitialized Variable
CVE-2026-63936		 CWE-457 Low
No
No
 - 20.07.2026 SB20260720290
SB2026072366
SB2026072479
and 4 more
#VU138700 - Out-of-bounds read
CVE-2026-63947		 CWE-125 Low
No
No
 - 20.07.2026 SB20260720284
SB2026072366
SB2026072479
and 5 more
#VU138699 - Use After Free
CVE-2026-63946		 CWE-416 Low
No
No
 - 20.07.2026 SB20260720283
SB2026072366
SB2026072479
and 5 more
#VU138698 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-63945		 CWE-362 Low
No
No
 - 20.07.2026 SB20260720282
SB2026072366
SB2026072479
and 5 more


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