Out-of-bounds read in Apache Thrift - CVE-2026-55970

Vulnerability identifier: #VU145194

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-55970

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to out-of-bounds read in THeaderTransport::readHeaderFormat() when parsing input. A remote attacker can send specially crafted input to disclose sensitive information.

Apache Thrift
Anolis OS
python3-thrift
thrift
thrift-devel
thrift-glib
thrift-qt
perl-thrift

Install security update from vendor's website.

Apache Thrift - update to 0.24.0
python3-thrift - update to 0.24.0-1
thrift - update to 0.24.0-1
thrift-devel - update to 0.24.0-1
thrift-glib - update to 0.24.0-1
thrift-qt - update to 0.24.0-1
perl-thrift - update to 0.24.0-1

• https://lists.apache.org/api/email.lua?id=gf9wdw55rx99rtjft4w5dfkhr84385d3
• https://thrift.apache.org/

• Multiple vulnerabilities in Apache Thrift
• Anolis OS update for thrift