Integer underflow (wrap or wraparound), Out-of-bounds write vulnerability in Apache Thrift C++ 32 bit THeaderTransport. (CVE-2026-82459)
Description
An integer underflow and out-of-bounds write vulnerability exists in the Apache Thrift C++ 32-bit THeaderTransport component. This vulnerability affects Apache Thrift versions before 0.25.0. The issue can lead to memory corruption due to improper handling of integer values. Users are advised to upgrade to version 0.25.0, which addresses this vulnerability.
CVSS v4.0
Affected software
pkg:deb/ubuntu/thrift?arch=source&distro=focalpkg:deb/ubuntu/thrift?arch=source&distro=jammypkg:deb/ubuntu/thrift?arch=source&distro=noblepkg:deb/ubuntu/thrift?arch=source&distro=stonkingpkg:deb/ubuntu/thrift?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82459 describes an integer underflow (wrap or wraparound) vulnerability in the Apache Thrift C++ 32-bit THeaderTransport implementation. This flaw allows an out-of-bounds write, potentially causing memory corruption. The vulnerability affects Apache Thrift versions prior to 0.25.0. The vendor has fixed the issue in version 0.25.0. Multiple specific older versions, including various Ubuntu package builds, are impacted.
Potential Impact
The vulnerability can cause out-of-bounds memory writes due to integer underflow, which may lead to application instability, crashes, or potentially exploitable memory corruption. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Upgrade Apache Thrift to version 0.25.0 or later, where this vulnerability has been fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-82459
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad3f5602cdf04f656661c5d
Added to database: 10/17/2026, 22:23:28 UTC
Last enriched: 10/17/2026, 23:31:40 UTC
Last updated: 10/17/2026, 23:31:40 UTC
Views: 4
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