Paper/Archive/CVE-2026-55971

CVE-2026-55971

Apache Software Foundation Apache Thrift — Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()

EPSS 1.0%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 62.1.621 × 2012.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Heap-based Buffer Overflow vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Affected

ProductAffectedFixed inSource

Apache Thrift< 0.24.00.24.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

apache (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9 advisorylists.apache.org/thread/xjs36m6kjxpmrmzwck636msg3nvoqnmx refopenwall.com/lists/oss-security/2026/07/24/42