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High ELSA-2026-6817 2 CVEs

Important: capstone security update (Oracle Linux 10)

Published Apr 8, 2026 · Updated Apr 8, 2026

Summary

[5.0.1-7]
- Fix CVE-2025-67873 (heap buffer overflow)
Resolves: RHEL-141551
- Fix CVE-2025-68114 (memory corruption)
Resolves: RHEL-137747

Fixed packages 4

ReleasePackageFixed in
Oracle Linux · 10 capstone 0:5.0.1-7.el10_1
Oracle Linux · 10 capstone-devel 0:5.0.1-7.el10_1
Oracle Linux · 10 capstone-java 0:5.0.1-7.el10_1
Oracle Linux · 10 python3-capstone 0:5.0.1-7.el10_1

Vulnerabilities 2

  • Medium 4.8

    Capstone doesn't check Skipdata length, leading to cs_insn.bytes heap buffer overflow

    Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a user-provided skipdata callback can make cs_disasm/cs_disasm_iter memcpy more than 24 bytes into cs_insn.bytes, causing a heap buffer overflow…

  • Medium 4.8

    Capstone doesn't check vsnprintf return in SStream_concat, allows stack buffer underflow and overflow

    Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when th…