CVE-2026-49158

Apache Thrift: Ruby THeaderTransport ZLIB Decompression Bomb

7.5 HighFix available

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, 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

1.03%Down 0.1 points since Jul 28, 2026

What each source reports

CVE List Score used 7.5

Apache Thrift: Ruby THeaderTransport ZLIB Decompression Bomb

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: CVE-2026-49158
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-409
Updated: 2026-11-02

EUVDEUVD-2026-49151 7.5

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: EUVD-2026-49151
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

GitHub AdvisoriesGHSA-jcj7-w43p-gjh8 7.5

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift...

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: GHSA-jcj7-w43p-gjh8
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-409
Updated: 2026-11-02

NVD 7.5

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: CVE-2026-49158
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-409
Updated: 2026-11-02

OSV 7.5

Apache Thrift: Ruby THeaderTransport ZLIB Decompression Bomb

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: CVE-2026-49158
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-409
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-49158 7.5

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: DEBIAN-CVE-2026-49158
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

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OSVRHSA-2026:49837 8.4

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

Record: RHSA-2026:49837
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-49158 7.5

Record: UBUNTU-CVE-2026-49158
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

OSVBIT-thrift-2026-49158 No score

Apache Thrift: Ruby THeaderTransport ZLIB Decompression Bomb

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift Ruby bindings.

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Record: BIT-thrift-2026-49158
Updated: 2026-11-02

OSVopenSUSE-SU-2026:11432-1 No score

libthrift-0_24_0-0.24.0-1.1 on GA media

These are all security issues fixed in the libthrift-0_24_0-0.24.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2026:11432-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`thrift` Bitnami	before 0.24.0	0.24.0
`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 17 moreShow less 0.19.0-10.19.0-20.19.0-2.10.19.0-2.1~exp10.19.0-30.19.0-40.20.0-10.22.0-10.22.0-20.22.0-30.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-20.24.0-3	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 7 moreShow less 0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-20.24.0-3	None known
`thrift` Debian:14	before 0.24.0-2, plus listed versions 0.19.0-40.20.0-10.22.0-10.22.0-20.22.0-3 Show 5 moreShow less 0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-1	0.24.0-2
`perl-thrift` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1
`python3-thrift` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1
`thrift` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1
`thrift-devel` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1
`thrift-glib` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1
`thrift-qt` Red Hat:hummingbird:1 From an advisory covering 9 CVEs	before 0:0.24.0-0.1.hum1	0:0.24.0-0.1.hum1

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Affected packages
Package	Affected	Fixed
`ruby-thrift` Ubuntu:20.04:LTS	All versions, plus listed versions 0.11.0.0-20.11.0.0-2build1	None known
`ruby-thrift` Ubuntu:22.04:LTS	All versions, plus listed versions 0.11.0.0-30.14.0-20.14.0-2build10.14.0-3	None known
`ruby-thrift` Ubuntu:24.04:LTS	All versions, plus listed versions 0.16.0-20.16.0-2build10.16.0-2build2	None known
`thrift` openSUSE:Tumbleweed From an advisory covering 14 CVEs	before 0.24.0-1.1	0.24.0-1.1

History

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

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

In short

CVE-2026-49158 is a high vulnerability (CVSS 7.5) in Apache Thrift, published July 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 63rd percentile. Fixed in thrift 0.24.0.

References

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