🛡️ CVE-2026-55971 — thrift

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-122 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-55971 is classified as CWE-122: Heap-based Buffer Overflow. A write past the end of a heap allocation corrupts allocator metadata or neighbouring objects.

Affected software

CVE-2026-55971 is recorded against 1 package.

  • thrift

Timeline and source

Published on 28 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.openwall.com (Web)
lists.apache.org (Web)
lists.apache.org (Web)
nvd.nist.gov (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-122
Public Exploit ✅ No
Source OSV
Published 2026-07-28
Updated 2026-08-12
Modified 2026-07-28
Fix URL N/A

Affected Packages

Software From version Fixed in
thrift — —

Similar Threats

Exploit Protection

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