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CVE-2026-12043: Double Free

🗓️ 12 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 7 Views

Remote memory corruption in aws-c-http via crafted HTTP/2 HEADERS frames.

Related
Refs
ReporterTitlePublishedViews
Family
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
osv
OSV
CVE-2026-12043 Heap double-free in AWS Common Runtime aws-c-http
12 Jun 202618:35
–osv
ptsecurity
Positive Technologies
PT-2026-48949
12 Jun 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-12043
15 Jun 202614:36
–redhatcve
snyk
Snyk
Double Free
12 Jun 202620:12
–snyk
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17 Jun 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 48.7
CVSS 3.18.8
EPSS0.00351
SSVC
7