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https://issues.apache.org/jira/browse/THRIFT-6092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jens Geyer resolved THRIFT-6092.
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Assignee: Jens Geyer
Resolution: Fixed
> Fix off-by-ten header bounds check in readHeaderFormat
> ------------------------------------------------------
>
> Key: THRIFT-6092
> URL: https://issues.apache.org/jira/browse/THRIFT-6092
> Project: Thrift
> Issue Type: Bug
> Components: C++ - Library
> Reporter: Jens Geyer
> Assignee: Jens Geyer
> Priority: Major
> Fix For: 0.24.0
>
>
> THeaderTransport::readHeaderFormat() bounded the declared header size against
> the wrong reference point (if (headerSize > sz)), allowing a read of up to 10
> bytes past the end of the buffer.
> Fixed by tightening the check to if (headerSize > sz - 10).
> *Affects:* C++, confirmed present in 0.23.0 (buggy check at line 209); fixed
> in 0.24.0
> *Fixed by:* PR #3597 (commits 4da36faee, ae251547b)
> *CWE-126:* Buffer Over-read
> *CVSS 4.0:* 6.9 Medium
> ({{CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N}})
> *Reported by:* Ghaith Abdulreda, via [email protected]; fix contributed by
> Javid Khan, with test infrastructure by Jens Geyer
> *CVE:* CVE-2026-55970
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