CVE-2026-41606 | Apache Thrift: c_glib dispatch stack overflow

Uncontrolled Recursion vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

Published: 2026-04-28 Last update: 2026-07-09 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-41606 is rated Moderate Risk (43.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.14%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-41606

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-30 0.58% 1.14% +0.56%
2 2026-06-15 0.07% 0.58% +0.52%
3 2026-05-22 0.07%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-41606

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 1.4 134c704f-9b21-4f2e-91b3-4a467353bcc0
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Weakness enumeration for CVE-2026-41606

GitHub Security Advisory for CVE-2026-41606

GHSA-h5hj-56h4-rwcp · Severity: medium — Uncontrolled Recursion vulnerability in Apache Thrift. This issue affects Apache Thrift: before...

OS Trackers for CVE-2026-41606

vendor priority summary link
debian not yet assigned CVE-2026-41606 not yet assigned priority: Debian including 1 source packages (thrift), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. https://security-tracker.debian.org/tracker/CVE-2026-41606
redhat high https://access.redhat.com/security/cve/CVE-2026-41606
suse medium CVE-2026-41606 severity moderate: SUSE including 76 source package names (kubernetes, kubernetes-client, …), 287 product×package rows across 23 product lines (SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS, … (23 product lines)): Known Not Affected 287. https://www.suse.com/security/cve/CVE-2026-41606/
ubuntu medium CVE-2026-41606 medium priority: Ubuntu including 1 source packages (thrift), 6 status rows across 6 suites (focal, jammy, noble, questing, resolute, upstream): needs-triage 6. https://ubuntu.com/security/CVE-2026-41606

Affected software / configurations for CVE-2026-41606

Vendor Product Version Raw CPE
apache thrift < 0.23.0 cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*

References for CVE-2026-41606

cvelogic Threat Intelligence