CVE-2026-86537

Apache Thrift: A truncated HTTP request stops the D library's server, allowing an unauthenticated remote attacker to deny service

8.7 HighFix available

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.36%Down 0.2 points since Oct 3, 2026

What each source reports

CVE List Score used 8.7

Apache Thrift: A truncated HTTP request stops the D library's server, allowing an unauthenticated remote attacker to deny service

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: CVE-2026-86537
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-248, CWE-835, CWE-191
Updated: 2026-11-02

EUVDEUVD-2026-91398 8.7

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: EUVD-2026-91398
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5q9q-jwgx-rjpw 8.7

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow ...

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: GHSA-5q9q-jwgx-rjpw
CVSS 4.0: 8.7 HighCVSS: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
Weakness: CWE-191
Updated: 2026-11-02

NVD 8.7

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: CVE-2026-86537
CVSS 4.0: 8.7 HighCVSS: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
Weakness: CWE-191, CWE-248, CWE-835
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-86537 8.7

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: DEBIAN-CVE-2026-86537
CVSS 4.0: 8.7 HighCVSS: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
Updated: 2026-11-02

OSVRHSA-2026:74369 7.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record: RHSA-2026:74369
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Show 4 moreShow less

OSVUBUNTU-CVE-2026-86537 8.7

Record: UBUNTU-CVE-2026-86537
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

OSVAZL-106560 No score

CVE-2026-86537 affecting package thrift 0.24.0-1

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: AZL-106560
Updated: 2026-11-02

OSVBIT-thrift-2026-86537 No score

Apache Thrift: A truncated HTTP request stops the D library's server, allowing an unauthenticated remote attacker to deny service

Uncaught exception, Loop with unreachable exit condition ('infinite loop'), Integer underflow (wrap or wraparound) vulnerability in Apache Thrift D language bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Record: BIT-thrift-2026-86537
Updated: 2026-11-02

OSVopenSUSE-SU-2026:12051-1 No score

libthrift-0_25_0-0.25.0-1.1 on GA media

These are all security issues fixed in the libthrift-0_25_0-0.25.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2026:12051-1
Updated: 2026-11-02

Affected products

apache software foundation thrift

Affected packages

Affected packages
Package	Affected	Fixed
`thrift` Azure Linux:3	through 0.24.0-1	None known
`thrift` Bitnami	before 0.25.0	0.25.0
`thrift` Debian:12	All versions, plus listed versions 0.17.0-20.17.0-30.17.0-40.18.1-10.18.1-2 Show 16 moreShow less 0.19.0-10.19.0-20.19.0-2.10.19.0-2.1~exp10.19.0-30.19.0-40.20.0-10.22.0-10.22.0-20.22.0-30.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2	None known
`thrift` Debian:13	All versions, plus listed versions 0.19.0-40.20.0-10.22.0-10.22.0-20.22.0-3 Show 6 moreShow less 0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2	None known
`thrift` Debian:14	All versions, plus listed versions 0.19.0-40.20.0-10.22.0-10.22.0-20.22.0-3 Show 6 moreShow less 0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2	None known
`perl-thrift` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1
`python3-thrift` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1
`thrift` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1
`thrift-devel` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1
`thrift-glib` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1

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Affected packages
Package	Affected	Fixed
`thrift-qt` Red Hat:hummingbird:1 From an advisory covering 29 CVEs	before 0:0.25.0-0.1.hum1	0:0.25.0-0.1.hum1
`thrift` Ubuntu:20.04:LTS	All versions, plus listed versions 0.11.0-60.13.0-2build10.13.0-2build2	None known
`thrift` Ubuntu:22.04:LTS	All versions, plus listed versions 0.13.0-6ubuntu10.13.0-6ubuntu20.13.0-6ubuntu30.13.0-70.16.0-2	None known
`thrift` Ubuntu:24.04:LTS	All versions, plus listed versions 0.17.0-40.19.0-20.19.0-2build10.19.0-2.1build40.19.0-2.1build5	None known
`thrift` Ubuntu:26.10	All versions, plus listed versions 0.22.0-3ubuntu10.23.0-30.23.0-3ubuntu1	None known
`thrift` Ubuntu:26.04:LTS	All versions, plus listed versions 0.19.0-4build10.22.0-30.22.0-3ubuntu1	None known
`thrift` openSUSE:Tumbleweed From an advisory covering 33 CVEs	before 0.25.0-1.1	0.25.0-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-86537 is a high vulnerability (CVSS 8.7) in Apache Software Foundation Thrift, published October 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in thrift 0.25.0.

References

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Left out here: 8 references. The JSON record has them.