EUVD-2026-91585
GHSA-hfqq-j57v-2292
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Remote unauthenticated attacker sends one crafted message with no interaction (AV:N/AC:L/PR:N/UI:N); only availability is affected via stack exhaustion, so C:N/I:N/A:H.
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
Lifecycle Timeline
4DescriptionCVE.org
The protocol skip routine in several Apache Thrift bindings did not apply the binding's recursion limit, so a message that nests unknown fields deeply enough can exhaust the stack. Affected: the Python C++ accelerator (the pure-Python protocols are not affected), the PHP library and its thrift_protocol extension, and the Perl, Lua, Smalltalk and OCaml libraries.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Articles & Coverage 1
AnalysisAI
Stack exhaustion in Apache Thrift before 0.25.0 allows remote, unauthenticated attackers to crash processes that deserialize attacker-controlled Thrift messages, because the protocol skip routine in several language bindings fails to apply the binding's recursion limit when skipping unknown fields. The affected bindings are the Python C++ accelerator (the pure-Python protocols are not affected), the PHP library and its thrift_protocol extension, and the Perl, Lua, Smalltalk and OCaml libraries; the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms the bug is reachable over the network with no privileges or user interaction, but the impact metrics (VC:N/VI:N/VA:H) restrict the consequence to availability loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target application must use one of the affected Apache Thrift bindings - the Python C++ accelerator (NOT the pure-Python protocols), the PHP library or its thrift_protocol extension, or the Perl, Lua, Smalltalk, or OCaml libraries - and must deserialize attacker-controlled Thrift messages (e.g. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a remote, unauthenticated denial-of-service flaw, not a code-execution or data-exposure bug: the provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms it is trivially reachable over the network with no privileges or user interaction, but the impact metrics (VC:N/VI:N/VA:H) show the only consequence is availability loss via stack exhaustion (CWE-674, uncontrolled recursion). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Apache Thrift 0.25.0, which reinstates the recursion limit in the affected skip routines; upgrade the Apache Thrift runtime and, critically, the language-specific library in use (the Python C++ accelerator package, the PHP library plus thrift_protocol extension, and the Perl, Lua, Smalltalk or OCaml bindings) rather than only the compiler or code generator, since the vulnerable parser ships with the runtime binding. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every service, agent, and internal tool that embeds Apache Thrift and determine which use the Python C++ accelerator, PHP library or thrift_protocol extension, Perl, Lua, Smalltalk, or OCaml bindings, since the pure-Python protocols are not affected; treat any internet- or partner-facing Thrift listener as the top priority. …
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Same weakness CWE-674 – Uncontrolled Recursion
View allVendor StatusVendor
SUSE
Severity: ModerateShare
External POC / Exploit Code
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