CVE-2019-25035

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Unbound before 1.9.5 allows an out-of-bounds write in sldns_bget_token_par. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://lists.debian.org/debian-lts-announce/2021/05/msg00007.htmlMailing List, Third Party Advisory
https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/Not Applicable, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0007/Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00007.htmlMailing List, Third Party Advisory
https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/Not Applicable, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0007/Third Party Advisory

Timeline

Published: Apr 27, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-250367.5Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerabilit CVE-2019-250377.5Unbound before 1.9.5 allows an assertion failure and denial of service in dname_pkt_copy via an invalid packet. NOTE: The vendor disputes th CVE-2019-250389.8Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulne CVE-2019-250399.8Unbound before 1.9.5 allows an integer overflow in a size calculation in respip/respip.c. NOTE: The vendor disputes that this is a vulnerabi CVE-2019-25043.8Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Supported versions that are affected are CVE-2019-250407.5Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerability CVE-2019-250417.5Unbound before 1.9.5 allows an assertion failure via a compressed name in dname_pkt_copy. NOTE: The vendor disputes that this is a vulnerabi CVE-2019-250429.8Unbound before 1.9.5 allows an out-of-bounds write via a compressed name in rdata_copy. NOTE: The vendor disputes that this is a vulnerabili CVE-2019-250435.3ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process cr CVE-2019-250447.8The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and CVE-2019-250457.8An issue was discovered in the Linux kernel before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CVE-2019-250466.1The Web Client in Cerberus FTP Server Enterprise before 10.0.19 and 11.x before 11.0.4 allows XSS via an SVG document.