CVE-2026-93926

Apache Thrift: C++ `THeaderTransport::untransform()` leaks the zlib stream on the error path

At a glance

Severity: HIGH 8.7
EPSS: EPSS 0.28 % · percentile 20 (2026-10-27)
State: PUBLISHED
Published: 2026-10-02
Updated: 2026-10-02
Assigner: apache
NVD status: Deferred

Description

Missing release of memory after effective lifetime, Missing release of resource after effective lifetime vulnerability in Apache Thrift THeaderTransport. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	HIGH 8.7	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	apache
CVSS 4.0	HIGH 8.7	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	NVD · security@apache.org (Secondary)

Weaknesses (CWE)

European references

ENISA EUVD · EUVD-2026-91367
GCVE · GCVE-0-2026-93926

Affected products

Product	Versions
Apache Software Foundation · Apache Thrift	affected 0 < 0.25.0

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD