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capstone: Capstone: Heap buffer overflow with potential code execution

🗓️ 25 Aug 2026 13:42:15Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 12 Views

Heap buffer overflow in Capstone SH FPU decoders via SH2A bytecode enabling DoS or code execution.

Related
Packages
Refs
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Family
cbl_mariner
CBLMariner
CVE-2026-55893 affecting package rust for versions less than 1.96.1-1
1 Sep 202602:21
–cbl_mariner
cve
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CVE-2026-55893
20 Aug 202621:32
–cve
cvelist
Cvelist
CVE-2026-55893 Capstone SH disassembler `set_reg_n` heap buffer overflow via crafted SH2A FPU bytecode
20 Aug 202621:32
–cvelist
debiancve
Debian CVE
CVE-2026-55893
20 Aug 202621:32
–debiancve
euvd
EUVD
EUVD-2026-63673
20 Aug 202621:32
–euvd
mend
Mend
CVE-2026-55893
20 Aug 202621:32
–mend
nvd
NVD
CVE-2026-55893
20 Aug 202622:17
–nvd
osv
OSV
AZL-96894 CVE-2026-55893 affecting package capstone 4.0.2-4
20 Aug 202622:17
–osv
osv
OSV
AZL-97416 CVE-2026-55893 affecting package rust for versions less than 1.96.1-1
20 Aug 202622:17
–osv
osv
OSV
BELL-CVE-2026-55893
3 Sep 202606:05
–osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64capstone5.0.8-0.3.hum1capstone-5.0.8-0.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64capstone5.0.8-0.3.hum1capstone-5.0.8-0.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64capstone-devel5.0.8-0.3.hum1capstone-devel-5.0.8-0.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64capstone-devel5.0.8-0.3.hum1capstone-devel-5.0.8-0.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchcapstone-java5.0.8-0.3.hum1capstone-java-5.0.8-0.3.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64capstone-static5.0.8-0.3.hum1capstone-static-5.0.8-0.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64capstone-static5.0.8-0.3.hum1capstone-static-5.0.8-0.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchpython3-capstone5.0.8-0.3.hum1python3-capstone-5.0.8-0.3.hum1.noarch.rpm

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05 Oct 2026 18:23Current
6.7Medium risk
Vulners AI Score6.7
CVSS 47.3
EPSS0.00186
12