Priority LOW 35
The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LO…
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00358 · Published 2026-04-28 · Fixed CWE-126
Priority LOW 38
The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG rec…
CVSS 3.1HIGH 7.3· Network · No auth · No interaction · EPSS 0.00237 · Published 2026-04-28 · Partial fix CWE-787
Priority HIGH 82
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one by…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00502 · Published 2026-04-20 · Partial fix CWE-122
Priority HIGH 72
Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, ma…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00369 · Published 2026-04-20 · Partial fix CWE-127
Priority HIGH 72
The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an applicat…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00389 · Published 2026-03-30 · Partial fix CWE-617
Priority LOW 24
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned t…
CVSS 3.1MEDIUM 5.4· Adjacent network · No auth · No interaction · EPSS 0.00314 · Published 2026-03-20 · Partial fix CWE-20
Priority LOW 39
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS s…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00345 · Published 2026-03-20 · Partial fix CWE-125
Priority LOW 27
Calling NSS-backed functions that support caching via nscd may call the nscd client side code and in the GNU C Library version 2.36 under high load on x86_64 systems, the client may call memcmp on inputs that are concurr…
CVSS 3.1MEDIUM 6.2· Local · No auth · No interaction · EPSS 0.00164 · Published 2026-03-11 · Fixed in 2.37 CWE-366
Priority LOW 39
Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00491 · Published 2026-01-20 · Partial fix CWE-908
Priority HIGH 72
Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00618 · Published 2026-01-15 · Partial fix CWE-908
Priority LOW 39
Passing too large an alignment to the memalign suite of functions (memalign, posix_memalign, aligned_alloc) in the GNU C Library version 2.30 to 2.42 may result in an integer overflow, which could consequently result in…
CVSS 3.1HIGH 8.4· Local · No auth · No interaction · EPSS 0.00386 · Published 2026-01-14 · Partial fix CWE-190
Priority MEDIUM 58
The strncmp implementation optimized for the Power10 processor in the GNU C Library version 2.40 and later writes to vector registers v20 to v31 without saving contents from the caller (those registers are defined as non…
CVSS 3.1MEDIUM 5.6· Network · No auth · No interaction · EPSS 0.00265 · Published 2025-06-05 · No fix listed CWE-665
Priority MEDIUM 58
The strcmp implementation optimized for the Power10 processor in the GNU C Library version 2.39 and later writes to vector registers v20 to v31 without saving contents from the caller (those registers are defined as non-…
CVSS 3.1MEDIUM 5.6· Network · No auth · No interaction · EPSS 0.00319 · Published 2025-06-05 · Fixed CWE-665
Priority LOW 37
Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlo…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00593 · Published 2025-05-16 · Partial fix · 2.39 CWE-426
Priority LOW 35
nscd: netgroup cache assumes NSS callback uses in-buffer strings The Name Service Cache Daemon's (nscd) netgroup cache can corrupt memory when the NSS callback does not store all strings in the provided buffer.
CVSS 3.1HIGH 7.4· Local · No auth · No interaction · EPSS 0.00403 · Published 2024-05-06 · Partial fix · 2.40 CWE-466
Priority MEDIUM 40
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 allocati…
CVSS 3.1HIGH 7.3· Network · No auth · No interaction · EPSS 0.01075 · Published 2024-05-06 · Partial fix · 2.40 CWE-617
Priority LOW 29
nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's (nscd) cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.01216 · Published 2024-05-06 · Partial fix · 2.40 CWE-476
Priority LOW 38
nscd: Stack-based buffer overflow in netgroup cache If the Name Service Cache Daemon's (nscd) fixed size cache is exhausted by client requests then a subsequent client request for netgroup data may result in a stack-base…
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.0131 · Published 2024-05-06 · Partial fix · 2.40 CWE-121
Priority HIGH 74
The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an a…
CVSS 3.1HIGH 7.3· Local · No auth · No interaction · EPSS 0.8833 · Published 2024-04-17 · Partial fix · 2.40 CWE-787
Priority MEDIUM 57
An integer overflow was found in the __vsyslog_internal function of the glibc library.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.02689 · Published 2024-01-31 · Fixed in 2.39 CWE-131
Priority MEDIUM 41
An off-by-one heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library.
CVSS 3.1HIGH 8.2· Network · No auth · No interaction · EPSS 0.03153 · Published 2024-01-31 · Fixed in 2.39 CWE-122
Priority HIGH 72
A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library.
CVSS 3.1HIGH 8.4· Local · No auth · No interaction · EPSS 0.04794 · Published 2024-01-31 · Fixed in 2.39 CWE-122
Priority CRITICAL 93KEV
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.63769 · Published 2023-10-03 · Fixed in 2.39, 2.28-225.el8_8.6 +5 CWE-122
Priority MEDIUM 42
A flaw was found in the GNU C Library.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01652 · Published 2023-09-25 · Will not fix CWE-401
Priority LOW 30
A flaw has been identified in glibc.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.01606 · Published 2023-09-18 · Partial fix · 2.28-225.el8_8.6, 2.28-189.8.el8_6 +1 CWE-416
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