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BIT-PROXYSQL-2026-48773 ProxySQL pre-auth heap overflow in MySQL and PostgreSQL first-packet handling

🗓️ 17 Aug 2026 05:52:41Reported by GoogleType 
osv_bit
 osv_bit
🔗 osv.dev👁 19 Views

ProxySQL 2.0.18-3.0.8 pre-auth heap overflow via oversized first packet length in MySQL/PostgreSQL paths.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-48773
19 Jun 202619:27
–attackerkb
bdu_fstec
BDU FSTEC
MySQL PostgreSQL ProxySQL Memory Corruption
25 Jun 202600:00
–bdu_fstec
circl
Circl
CVE-2026-48773
19 Jun 202621:49
–circl
cve
CVE
CVE-2026-48773
19 Jun 202619:27
–cve
cvelist
Cvelist
CVE-2026-48773 ProxySQL pre-auth heap overflow in MySQL and PostgreSQL first-packet handling
19 Jun 202619:27
–cvelist
euvd
EUVD
EUVD-2026-38073
19 Jun 202619:27
–euvd
mend
Mend
CVE-2026-48773
19 Jun 202619:27
–mend
nvd
NVD
CVE-2026-48773
19 Jun 202620:16
–nvd
ptsecurity
Positive Technologies
PT-2026-51016
26 May 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-73424
17 Aug 202600:00
–ptsecurity
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08 Sep 2026 08:48Current
8.3High risk
Vulners AI Score8.3
CVSS 3.19.8
EPSS0.00689
SSVC
19