CVE-2026-34743LowCVSS 5.3

XZ Utils: Buffer overflow in lzma_index_append()

Published
June 2, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-34743 →

🎯 Affected products11

  • azl3 rust 1.75.0-27 on Azure Linux 3.0
  • azl3 rust 1.90.0-6 on Azure Linux 3.0
  • azl3 xz 5.4.4-2 on Azure Linux 3.0
  • azl3 xz 5.4.4-3 on Azure Linux 3.0
  • cbl2 cmake 3.21.4-23
  • cbl2 cmake 3.21.4-23 on CBL Mariner 2.0
  • cbl2 cmake 3.21.4-23 on CBL-Mariner 2.0
  • cbl2 rust 1.72.0-15 on CBL Mariner 2.0
  • cbl2 rust 1.72.0-15 on CBL-Mariner 2.0
  • cbl2 xz 5.2.5-1 on CBL Mariner 2.0
  • cbl2 xz 5.2.5-1 on CBL-Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 5.4.4-3 KBCBL-Mariner Releases (Security Update) — fixed build 5.2.5-2 KBCBL-Mariner Releases (Security Update) — fixed build 1.75.0-28 KBRelease Notes (Security Update) — fixed build 5.2.5-2 KBCBL-Mariner Releases (Security Update) — fixed build 1.72.0-16 KBCBL-Mariner Releases (Security Update) — fixed build 1.90.0-7 KBRelease Notes (Security Update) KBRelease Notes (Security Update) — fixed build 1.72.0-16

🔗 References (2)