CVE-2026-34743 (GCVE-0-2026-34743)
Vulnerability from cvelistv5
Published
2026-04-02 18:36
Modified
2026-04-03 12:59
Severity ?
1.7 (Low) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.
References
Impacted products
Vendor Product Version
tukaani-project xz Version: < 5.8.3
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