The vulnerability of the storeAtts() function in the Expat library allows a hacker to trigger a service failure.
🗓️ 20 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | CVE-2026-66046 | 18 Aug 202614:10 | – | attackerkb |
 | CVE-2026-66046 | 18 Aug 202614:10 | – | cve |
 | CVE-2026-66046 Expat Denial of Service via storeAtts() Quadratic Complexity | 18 Aug 202614:10 | – | cvelist |
 | CVE-2026-66046 | 18 Aug 202614:10 | – | debiancve |
 | EUVD-2026-60821 | 18 Aug 202614:10 | – | euvd |
 | CVE-2026-66046 | 18 Aug 202615:16 | – | nvd |
 | BELL-CVE-2026-66046 | 20 Aug 202606:06 | – | osv |
| DEBIAN-CVE-2026-66046 | 18 Aug 202615:16 | – | osv |
| ECHO-38C1-1304-759B | 20 Aug 202607:23 | – | osv |
| ROOT-OS-DEBIAN-11-CVE-2026-66046 CVE-2026-66046 in expat - Patched by Root | 21 Aug 202610:28 | – | osv |
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20 Aug 2026 00:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 37.5
CVSS 27.8
EPSS0.00677