CVE-2026-33598— Out-of-bounds read in cache inspection via Lua
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I. Basic Information for CVE-2026-33598
Vulnerability Information
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Vulnerability Title
Out-of-bounds read in cache inspection via Lua
Source: NVD (National Vulnerability Database)
Vulnerability Description
A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PowerDNS DNSdist 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS DNSdist是PowerDNS公司的一个提供DNS流量负载均衡与安全防护能力的代理软件。 PowerDNS DNSdist存在缓冲区错误漏洞，该漏洞源于自定义Lua代码在数据包缓存上调用getDomainListByAddress或getAddressListByDomain时，缓存的恶意响应可能导致越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-33598
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · PowerDNS · 2026-04-22 · 22 CVEs total
| CVE-2026-33593 | 7.5 HIGH | Denial of service via crafted DNSCrypt query |
| CVE-2026-33608 | 7.4 HIGH | Incomplete domain name sanitization during |
| CVE-2026-33602 | 6.5 MEDIUM | Off-by-one access when processing crafted UDP responses |
| CVE-2026-33611 | 6.5 MEDIUM | Insufficient validation of HTTPS and SVCB records |
| CVE-2026-33261 | 5.9 MEDIUM | Null pointer accces in aggressive NSEC(3) cache |
| CVE-2026-33262 | 5.9 MEDIUM | Insufficient validation of cookie reply |
| CVE-2026-33610 | 5.9 MEDIUM | Possible file descriptor exhaustion in forward-dnsupdate |
| CVE-2026-33260 | 5.3 MEDIUM | Insufficient input validation of internal webserver |
| CVE-2026-33609 | 5.3 MEDIUM | LDAP DN injection |
| CVE-2026-33254 | 5.3 MEDIUM | Resource exhaustion via DoQ/DoH3 connections |
| CVE-2026-33595 | 5.3 MEDIUM | DoQ/DoH3 excessive memory allocation |
| CVE-2026-33594 | 5.3 MEDIUM | Outgoing DoH excessive memory allocation |
| CVE-2026-33256 | 5.3 MEDIUM | Unbounded memory allocation by internal web server |
| CVE-2026-33257 | 5.3 MEDIUM | Insufficient input validation of internal webserver |
| CVE-2026-33258 | 5.3 MEDIUM | Crafted zones can cause increased resource usage |
| CVE-2026-33259 | 5.0 MEDIUM | Concurrent modification of RPZ data can lead to denial of servce |
| CVE-2026-33601 | 4.4 MEDIUM | Insufficient validation of zonemd record |
| CVE-2026-33600 | 4.4 MEDIUM | Null pointer dereference in RPZ transfer |
| CVE-2026-33597 | 3.7 LOW | PRSD detection denial of service |
| CVE-2026-33596 | 3.1 LOW | TCP backend stream ID overflow |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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