CVE-2026-3119— Authenticated query containing a TKEY record may cause named to terminate unexpectedly
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I. Basic Information for CVE-2026-3119
Vulnerability Information
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Vulnerability Title
Authenticated query containing a TKEY record may cause named to terminate unexpectedly
Source: NVD (National Vulnerability Database)
Vulnerability Description
Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the `named` configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
ISC BIND 9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND 9是ISC组织的一个域名系统软件。 ISC BIND 9 9.20.0至9.20.20版本、9.21.0至9.21.19版本和9.20.9-S1至9.20.20-S1版本存在安全漏洞，该漏洞源于处理包含TKEY记录的正确签名查询时可能导致崩溃。
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-2026-3119
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Same Patch Batch · ISC · 2026-03-25 · 5 CVEs total
| CVE-2026-3608 | 7.5 HIGH | Stack overflow in Kea daemons |
| CVE-2026-3104 | 7.5 HIGH | Memory leak in code preparing DNSSEC proofs of non-existence |
| CVE-2026-1519 | 7.5 HIGH | Excessive NSEC3 iterations cause high CPU load during insecure delegation validation |
| CVE-2026-3591 | 5.4 MEDIUM | A stack use-after-return flaw in SIG(0) handling code may enable ACL bypass |
IV. Related Vulnerabilities
Same product: BIND 9
- CVE-2026-3591
A stack use-after-return flaw in SIG(0) handling code may en - CVE-2026-3104
Memory leak in code preparing DNSSEC proofs of non-existence - CVE-2026-1519
Excessive NSEC3 iterations cause high CPU load during insecu - CVE-2025-13878
Malformed BRID/HHIT records can cause named to terminate une - CVE-2025-40780
Cache poisoning due to weak PRNG
Same vendor: ISC
- CVE-2026-3591
A stack use-after-return flaw in SIG(0) handling code may en - CVE-2026-3104
Memory leak in code preparing DNSSEC proofs of non-existence - CVE-2026-1519
Excessive NSEC3 iterations cause high CPU load during insecu - CVE-2026-3608
Stack overflow in Kea daemons - CVE-2025-13878
Malformed BRID/HHIT records can cause named to terminate une
Same weakness: CWE-617
- CVE-2026-8257
WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn asser - CVE-2026-41584
ZEBRA: rk Identity Point Panic in Transaction Verification - CVE-2026-20450
MediaTek Chipsets 安全漏洞 - CVE-2026-41485
Kyverno Controller Denial of Service via forEach Mutation Pa - CVE-2026-34067
nimiq-transaction vulnerable to panic via `HistoryTreeProof`
V. Comments for CVE-2026-3119
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