Known vulnerabilities in XZ Utils 5.3.4alpha

Software: XZ Utils
Version: 5.3.4alpha
Software CPE: cpe:2.3:a:tukaani.org:xz:*:*:*:*:*:*:*:*
Total vulnerabilities: 2
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.7

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting XZ Utils version 5.3.4alpha XZ Utils 5.3.4alpha is affected by 2 vulnerabilities: 1 high, 1 medium Critical High Medium Low

Vulnerabilities (2)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU139114 - Heap-based Buffer Overflow
CVE-2026-34743
CWE-122 Medium
No
No
5.8.3 22.07.2026 SB2026072263
SB2026072264
SB2026072265
and 6 more
#VU106970 - Heap-based Buffer Overflow
CVE-2025-31115
CWE-122 High
No
No
5.8.1 03.04.2025 SB20250403127
SB20250403129
SB20250403137
and 19 more