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CVE-2026-12043

🗓️ 15 Jun 2026 14:36:34Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 25 Views

CVE-2026-12043 in aws-c-http enables remote code execution via crafted headers.

Related
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : mount-s3 (ALAS2023-2026-3233)
16 Oct 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2023 : python3-awscrt (ALAS2023-2026-3280)
22 Oct 202600:00
–nessus
amazon
Amazon
Important: mount-s3
16 Oct 202600:00
–amazon
amazon
Amazon
Important: python-awscrt
22 Oct 202600:00
–amazon
circl
Circl
CVE-2026-12043
15 Jun 202609:09
–circl
cve
CVE
CVE-2026-12043
12 Jun 202618:35
–cve
cvelist
Cvelist
CVE-2026-12043 Heap double-free in AWS Common Runtime aws-c-http
12 Jun 202618:35
–cvelist
euvd
EUVD
EUVD-2026-36541
12 Jun 202618:35
–euvd
mend
Mend
CVE-2026-12043
12 Jun 202618:35
–mend
nvd
NVD
CVE-2026-12043
12 Jun 202619:16
–nvd
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15 Jun 2026 14:36Current
6.5Medium risk
Vulners AI Score6.5
CVSS 48.7
CVSS 3.18.8
EPSS0.00346
SSVC
25