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CVE-2026-102633: Integer Overflow or Wraparound

🗓️ 29 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Integer overflow in libexpat expat_realloc() on 32-bit platforms causing DoS or corruption.

Related
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-102633
29 Sep 202616:04
–alpinelinux
cve
CVE
CVE-2026-102633
29 Sep 202616:04
–cve
cvelist
Cvelist
CVE-2026-102633 libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc
29 Sep 202616:04
–cvelist
debiancve
Debian CVE
CVE-2026-102633
29 Sep 202616:04
–debiancve
euvd
EUVD
EUVD-2026-89028
29 Sep 202616:04
–euvd
mscve
Microsoft CVE
libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc
1 Oct 202608:01
–mscve
nvd
NVD
CVE-2026-102633
29 Sep 202617:17
–nvd
osv
OSV
AZL-105048 CVE-2026-102633 affecting package expat 2.8.3-2
29 Sep 202617:17
–osv
osv
OSV
BELL-CVE-2026-102633
30 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-102633
29 Sep 202617:17
–osv
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29 Sep 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.9
CVSS 48.2
EPSS0.00348
SSVC
4