CVE-2026-66081

Apache Thrift: c_glib read_message_begin leaves output parameters unset for non-versioned messages

8.7 HighFix available

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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

0.32%Down 0.1 points since Oct 3, 2026

What each source reports

CVE List Score used 8.7

Apache Thrift: c_glib read_message_begin leaves output parameters unset for non-versioned messages

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-2026-66081
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-824
Updated: 2026-11-02

EUVDEUVD-2026-91588 8.7

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-2026-91588
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-v446-56hp-jpw2 8.7

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib bindings. This issue...

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-v446-56hp-jpw2
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-824
Updated: 2026-11-02

NVD 8.7

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-2026-66081
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-824
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-66081 8.7

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-2026-66081
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

OSVUBUNTU-CVE-2026-66081 8.7

Record: UBUNTU-CVE-2026-66081
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-106557 No score

CVE-2026-66081 affecting package thrift for versions less than 0.25.0-1

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-106557
Updated: 2026-11-02

OSVBIT-thrift-2026-66081 No score

Apache Thrift: c_glib read_message_begin leaves output parameters unset for non-versioned messages

Access of Uninitialized Pointer vulnerability in Apache Thrift c_glib 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-2026-66081
Updated: 2026-11-02

Affected products

apache software foundation thrift

Affected packages

Affected packages
Package	Affected	Fixed
`thrift` Azure Linux:3	before 0.25.0-1	0.25.0-1
`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

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-2026-66081 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 0.32%, the 24th percentile. Fixed in thrift 0.25.0-1.

References

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