Medium severity · published May 5, 2026
CVE-2026-43868
Apache Thrift: Rust implementation vulnerable to CVE-2020-13949 pattern
5.3
CVSS
0.7%
EPSS
No
On KEV
Description
Memory Allocation with Excessive Size Value 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Apache Thrift · Apache Software Foundation
before 0.23.0 · source: vendor
TH
Thrift · Apache
before 0.23.0 · source: NVD
RH
Red Hat AI Inference Server · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Fuse 7 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat OpenShift AI (RHOAI) · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat OpenShift AI 2.25 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat build of Apache Camel 4 for Quarkus 3 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43868
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43868
Vendor Advisory
https://lists.apache.org/thread/zj76dtwnbbs1m7z3focf4wd51pqpsmn9
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:26586
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:42644
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-43868
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2466670
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43868.json
More from Apache Thrift
9.8
CVE-2026-55971
Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
9.2
CVE-2026-83632
Apache Thrift: C++ THttpTransport grows its line buffer without bound
9.2
CVE-2026-91135
Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)
9.1
CVE-2026-58662
Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypass
9.1
CVE-2026-58023
Apache Thrift: c_glib heap out-of-bounds read in transport leftover-bytes path
