GL
Product
Glibc
by Gnu · last CVE Apr 28, 2026
On CISA KEVExploited in the wild
163
CVEs
1
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 22High 47Medium 31Low 2
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-6238
6.5
0%
Apr 28
Buffer overread in ns_printrrf with corrupted RDATA field
Affected: 2.2 and later
CVE-2023-4527
6.5
2%
Sep 18
Glibc: stack read overflow in getaddrinfo in no-aaaa mode
Affected: 2.36 before 2.36.113; 2.37 before 2.37.38; 2.38 before 2.38.19
CVE-2026-3904
6.2
0%
Mar 11
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…
Affected: 2.35 before 2.37
CVE-2011-5320
6.2
0%
Oct 18
scanf and related functions in glibc before 2.15 allow local users to cause a denial of service (segmentation fault) via a large string of 0s
Affected: through 2.14.1
CVE-2024-33600
5.9
1%
May 6
nscd: Null pointer crashes after notfound response
Affected: 2.15 before 2.40
CVE-2023-4806
5.9
2%
Sep 18
Glibc: potential use-after-free in getaddrinfo()
Affected: 2.33
CVE-2023-4813
5.9
2%
Sep 12
Glibc: potential use-after-free in gaih_inet()
Affected: before 2.36
CVE-2019-25013
5.9
4%
Jan 4
The iconv feature in the GNU C Library (aka glibc or libc6) through 2.32, when processing invalid multi-byte input sequences in the EUC-KR encoding, may have a buffer over-read
Affected: through 2.32
CVE-2017-15671
5.9
1%
Oct 20
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator…
Affected: through 2.26
CVE-2017-12133
5.9
2%
Sep 7
Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified…
Affected: through 2.25
CVE-2017-12132
5.9
2%
Aug 1
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially…
Affected: through 2.25
CVE-2015-8985
5.9
3%
Mar 20
The pop_fail_stack function in the GNU C Library (aka glibc or libc6) allows context-dependent attackers to cause a denial of service (assertion failure and application crash) via…
Affected: before 2.28
CVE-2015-8984
5.9
2%
Mar 20
The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed…
Affected: through 2.21
CVE-2016-10228
5.9
4%
Mar 2
The iconv program in the GNU C Library (aka glibc or libc6) 2.31 and earlier, when invoked with multiple suffixes in the destination encoding (TRANSLATE or IGNORE) along with the…
Affected: through 2.25
CVE-2016-4429
5.9
5%
Jun 10
Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) allows remote servers to cause a denial of service (crash)…
Affected: before 2.24
CVE-2025-5745
5.6
0%
Jun 5
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…
Affected: 2.40 before 2.40-136; 2.41 before 2.41-57
CVE-2025-5702
5.6
0%
Jun 5
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…
Affected: 2.39 before 2.39-209; 2.40 before 2.40-139; 2.41 before 2.41-60
CVE-2015-20109
5.5
0%
Jun 25
end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application…
Affected: before 2.22
CVE-2020-27618
5.5
1%
Feb 26
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and…
Affected: through 2.32
CVE-2020-10029
5.5
1%
Mar 4
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical…
Affected: before 2.32.0
CVE-2006-7254
5.5
0%
Apr 10
The nscd daemon in the GNU C Library (glibc) before version 2.5 does not close incoming client sockets if they cannot be handled by the daemon, allowing local users to carry out a…
Affected: before 2.5
CVE-2019-7309
5.5
1%
Feb 3
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the…
Affected: through 2.29
CVE-2015-8777
5.5
1%
Jan 20
The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero…
Affected: through 2.22
CVE-2026-4438
5.4
0%
Mar 20
gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Affected: 2.34 through 2.43
CVE-2019-1010023
5.4
3%
Jul 15
GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file
Affected: All versions, or not specified
CVE-2023-6780
5.3
3%
Jan 31
Glibc: integer overflow in __vsyslog_internal()
Affected: 2.37 before 2.39
CVE-2022-39046
5.3
2%
Aug 31
An issue was discovered in the GNU C Library (glibc) 2.36
Affected: 2.36
CVE-2019-1010025
5.3
2%
Jul 15
GNU Libc current is affected by: Mitigation bypass
Affected: All versions, or not specified
CVE-2019-1010024
5.3
3%
Jul 15
GNU Libc current is affected by: Mitigation bypass
Affected: All versions, or not specified
CVE-2016-10739
5.3
0%
Jan 21
In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and…
Affected: through 2.28
CVE-2020-29562
4.8
2%
Dec 4
The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and…
Affected: 2.30 through 2.32
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