CVE-2024-33601— nscd: netgroup cache may terminate daemon on memory allocation failure
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I. Basic Information for CVE-2024-33601
Vulnerability Information
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Vulnerability Title
nscd: netgroup cache may terminate daemon on memory allocation failure
Source: NVD (National Vulnerability Database)
Vulnerability Description
nscd: netgroup cache may terminate daemon on memory allocation failure The Name Service Cache Daemon's (nscd) netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a memory allocation failure resulting in a denial of service to the clients. The flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
glibc 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
glibc（GNU C Library）是GNU计划所实现的C标准库。 glibc 存在安全漏洞，该漏洞源于netgroup 缓存可能会在内存分配失败时终止守护进程。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| The GNU C Library | glibc | 2.15 ~ 2.40 | - |
II. Public POCs for CVE-2024-33601
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · The GNU C Library · 2024-05-06 · 4 CVEs total
| CVE-2024-33599 | nscd: Stack-based buffer overflow in netgroup cache | |
| CVE-2024-33602 | nscd: netgroup cache assumes NSS callback uses in-buffer strings | |
| CVE-2024-33600 | nscd: Null pointer crashes after notfound response |
IV. Related Vulnerabilities
Same product: glibc
- CVE-2026-6238
Buffer overread in ns_printrrf with corrupted RDATA field - CVE-2026-5435
Potential buffer overflow in ns_sprintrrf TSIG handling path - CVE-2026-5450
scanf %mc off-by-one heap buffer overflow - CVE-2026-5928
Potential buffer under-read in ungetwc - CVE-2026-4046
iconv crash due to assertion failure with untrusted input
Same vendor: The GNU C Library
- CVE-2026-6238
Buffer overread in ns_printrrf with corrupted RDATA field - CVE-2026-5435
Potential buffer overflow in ns_sprintrrf TSIG handling path - CVE-2026-5450
scanf %mc off-by-one heap buffer overflow - CVE-2026-5928
Potential buffer under-read in ungetwc - CVE-2026-4046
iconv crash due to assertion failure with untrusted input
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
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Kyverno Controller Denial of Service via forEach Mutation Pa - CVE-2026-34067
nimiq-transaction vulnerable to panic via `HistoryTreeProof`
V. Comments for CVE-2024-33601
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