CVE-2026-1519
גבוהה 7.5
תיאור (מקור, אנגלית)
If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: https://kb.isc.org/docs/why-does-my-authoritative-server-make-recursive-queries). This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1.
מדדים
- CVSS 3.1
-
7.5 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — סבירות ניצול
- 2% (אחוזון 100) נכון ל-26/7/2026
- CWE
- CWE-606, CWE-770
מוצרים מושפעים
isc: bind
קישורים
- https://kb.isc.org/docs/cve-2026-1519 Vendor Advisory
- https://downloads.isc.org/isc/bind9/9.18.47 Patch
- https://downloads.isc.org/isc/bind9/9.20.21 Patch
- https://downloads.isc.org/isc/bind9/9.21.20 Patch
- https://lists.debian.org/debian-lts-announce/2026/04/msg00008.html Issue TrackingThird Party Advisory
- https://access.redhat.com/errata/RHSA-2026:11371
- https://access.redhat.com/errata/RHSA-2026:11372
- https://access.redhat.com/errata/RHSA-2026:15890
- https://access.redhat.com/errata/RHSA-2026:16060
- https://access.redhat.com/errata/RHSA-2026:16064