{"schema_version":1,"title":"Gnu Glibc vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 20 vulnerabilities in Gnu Glibc: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 1 exploited in the wild. The most recent, CVE-2026-6238, was published on 28 April 2026.","url":"https://junglewise.ai/threats/technologies/glibc","json_url":"https://junglewise.ai/threats/technologies/glibc.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/glibc","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":10,"all_time":20,"critical":2,"exploited":1,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":8},"latest":[{"cve":"CVE-2026-6238","cvss":6.5,"epss":0.0031,"slug":"cve-2026-6238-gnu-glibc-buffer-over-read-in-dns-debugging-functions","title":"GNU glibc buffer over-read in DNS debugging functions","severity":"medium","exploited":false,"published_at":"2026-04-28T19:37:47.523+00:00","url":"https://junglewise.ai/threats/cve-2026-6238-gnu-glibc-buffer-over-read-in-dns-debugging-functions"},{"cve":"CVE-2026-5435","cvss":7.3,"epss":0.002,"slug":"cve-2026-5435-gnu-glibc-out-of-bounds-write-in-ns-printrrf-tsig-handling","title":"GNU glibc out-of-bounds write in ns_printrrf TSIG handling","severity":"high","exploited":false,"published_at":"2026-04-28T13:19:22.29+00:00","url":"https://junglewise.ai/threats/cve-2026-5435-gnu-glibc-out-of-bounds-write-in-ns-printrrf-tsig-handling"},{"cve":"CVE-2026-5928","cvss":7.5,"epss":0.0035,"slug":"cve-2026-5928-gnu-c-library-glibc-buffer-under-read-in-ungetwc","title":"GNU C Library glibc buffer under-read in ungetwc","severity":"high","exploited":false,"published_at":"2026-04-20T21:16:36.963+00:00","url":"https://junglewise.ai/threats/cve-2026-5928-gnu-c-library-glibc-buffer-under-read-in-ungetwc"},{"cve":"CVE-2026-5450","cvss":9.8,"epss":0.0045,"slug":"cve-2026-5450-gnu-glibc-heap-buffer-overflow-in-scanf-mc-specifier","title":"GNU glibc heap buffer overflow in scanf %mc specifier","severity":"critical","exploited":false,"published_at":"2026-04-20T21:16:36.85+00:00","url":"https://junglewise.ai/threats/cve-2026-5450-gnu-glibc-heap-buffer-overflow-in-scanf-mc-specifier"},{"cve":"CVE-2026-4046","cvss":7.5,"epss":0.0036,"slug":"cve-2026-4046-gnu-glibc-assertion-failure-in-iconv-character-conversion","title":"GNU glibc assertion failure in iconv character conversion","severity":"high","exploited":false,"published_at":"2026-03-30T18:16:19.573+00:00","url":"https://junglewise.ai/threats/cve-2026-4046-gnu-glibc-assertion-failure-in-iconv-character-conversion"},{"cve":"CVE-2026-4438","cvss":5.4,"epss":0.0019,"slug":"cve-2026-4438-gnu-glibc-improper-input-validation-in-gethostbyaddr","title":"GNU glibc improper input validation in gethostbyaddr","severity":"medium","exploited":false,"published_at":"2026-03-20T20:16:49.623+00:00","url":"https://junglewise.ai/threats/cve-2026-4438-gnu-glibc-improper-input-validation-in-gethostbyaddr"},{"cve":"CVE-2026-4437","cvss":7.5,"epss":0.0029,"slug":"cve-2026-4437-gnu-glibc-dns-specification-violation-in-gethostbyaddr","title":"GNU glibc DNS specification violation in gethostbyaddr","severity":"high","exploited":false,"published_at":"2026-03-20T20:16:49.477+00:00","url":"https://junglewise.ai/threats/cve-2026-4437-gnu-glibc-dns-specification-violation-in-gethostbyaddr"},{"cve":"CVE-2026-3904","cvss":6.2,"epss":0.0015,"slug":"cve-2026-3904-gnu-glibc-race-condition-crash-in-nscd-client-via-memcmp","title":"GNU glibc race condition crash in nscd client via memcmp","severity":"medium","exploited":false,"published_at":"2026-03-11T14:16:30.113+00:00","url":"https://junglewise.ai/threats/cve-2026-3904-gnu-glibc-race-condition-crash-in-nscd-client-via-memcmp"},{"cve":"CVE-2025-0395","cvss":6.2,"slug":"cve-2025-0395-gnu-glibc-buffer-overflow-in-assert-function-failure-handling","title":"GNU glibc buffer overflow in assert function failure handling","severity":"medium","exploited":false,"published_at":"2025-01-22T13:15:20.933+00:00","url":"https://junglewise.ai/threats/cve-2025-0395-gnu-glibc-buffer-overflow-in-assert-function-failure-handling"},{"cve":"CVE-2024-33602","cvss":7.4,"slug":"cve-2024-33602-gnu-glibc-memory-corruption-in-nscd-netgroup-cache","title":"GNU glibc memory corruption in nscd netgroup cache","severity":"high","exploited":false,"published_at":"2024-05-06T20:15:11.68+00:00","url":"https://junglewise.ai/threats/cve-2024-33602-gnu-glibc-memory-corruption-in-nscd-netgroup-cache"},{"cve":"CVE-2024-33601","cvss":7.3,"slug":"cve-2024-33601-gnu-glibc-denial-of-service-in-nscd-netgroup-cache","title":"GNU glibc denial of service in nscd netgroup cache","severity":"high","exploited":false,"published_at":"2024-05-06T20:15:11.603+00:00","url":"https://junglewise.ai/threats/cve-2024-33601-gnu-glibc-denial-of-service-in-nscd-netgroup-cache"},{"cve":"CVE-2024-33600","cvss":5.9,"slug":"cve-2024-33600-gnu-glibc-null-pointer-dereference-in-nscd-netgroup-cache","title":"GNU glibc null pointer dereference in nscd netgroup cache","severity":"medium","exploited":false,"published_at":"2024-05-06T20:15:11.523+00:00","url":"https://junglewise.ai/threats/cve-2024-33600-gnu-glibc-null-pointer-dereference-in-nscd-netgroup-cache"},{"cve":"CVE-2024-33599","cvss":8.1,"slug":"cve-2024-33599-gnu-glibc-nscd-stack-based-buffer-overflow-in-netgroup-cache","title":"GNU glibc nscd stack-based buffer overflow in netgroup cache","severity":"high","exploited":false,"published_at":"2024-05-06T20:15:11.437+00:00","url":"https://junglewise.ai/threats/cve-2024-33599-gnu-glibc-nscd-stack-based-buffer-overflow-in-netgroup-cache"},{"cve":"CVE-2024-2961","cvss":7.3,"slug":"cve-2024-2961-gnu-glibc-buffer-overflow-in-iconv-function","title":"GNU glibc buffer overflow in iconv function","severity":"high","exploited":false,"published_at":"2024-04-17T18:15:15.833+00:00","url":"https://junglewise.ai/threats/cve-2024-2961-gnu-glibc-buffer-overflow-in-iconv-function"},{"cve":"CVE-2023-6780","cvss":5.3,"slug":"cve-2023-6780-gnu-glibc-integer-overflow-in-vsyslog-internal","title":"GNU glibc integer overflow in __vsyslog_internal","severity":"medium","exploited":false,"published_at":"2024-01-31T14:15:48.917+00:00","url":"https://junglewise.ai/threats/cve-2023-6780-gnu-glibc-integer-overflow-in-vsyslog-internal"},{"cve":"CVE-2023-6779","cvss":8.2,"slug":"cve-2023-6779-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal","title":"GNU glibc heap buffer overflow in __vsyslog_internal","severity":"high","exploited":false,"published_at":"2024-01-31T14:15:48.7+00:00","url":"https://junglewise.ai/threats/cve-2023-6779-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal"},{"cve":"CVE-2023-6246","cvss":8.4,"slug":"cve-2023-6246-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal","title":"GNU glibc heap buffer overflow in __vsyslog_internal","severity":"high","exploited":false,"published_at":"2024-01-31T14:15:48.42+00:00","url":"https://junglewise.ai/threats/cve-2023-6246-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal"},{"cve":"CVE-2023-4911","cvss":7.8,"slug":"cve-2023-4911-gnu-c-library-buffer-overflow-vulnerability","title":"GNU C Library Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2023-10-03T18:15:10.463+00:00","url":"https://junglewise.ai/threats/cve-2023-4911-gnu-c-library-buffer-overflow-vulnerability"},{"cve":"CVE-2023-4806","cvss":5.9,"slug":"cve-2023-4806-gnu-glibc-use-after-free-in-getaddrinfo","title":"GNU glibc use-after-free in getaddrinfo","severity":"medium","exploited":false,"published_at":"2023-09-18T17:15:55.813+00:00","url":"https://junglewise.ai/threats/cve-2023-4806-gnu-glibc-use-after-free-in-getaddrinfo"},{"cve":"CVE-2023-4527","cvss":6.5,"slug":"cve-2023-4527-gnu-glibc-stack-read-overflow-in-getaddrinfo","title":"GNU glibc stack read overflow in getaddrinfo","severity":"medium","exploited":false,"published_at":"2023-09-18T17:15:55.067+00:00","url":"https://junglewise.ai/threats/cve-2023-4527-gnu-glibc-stack-read-overflow-in-getaddrinfo"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Gnu Binutils","slug":"binutils","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/binutils"},{"name":"GnuTLS","slug":"gnutls","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/gnutls"},{"name":"Gnu LibreDWG","slug":"libredwg","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/libredwg"},{"name":"GNU tar","slug":"tar","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/tar"},{"name":"Gnu Bash","slug":"bash","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/bash"},{"name":"GNU C Library","slug":"gnu-c-library","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/gnu-c-library"},{"name":"Gnu Emacs","slug":"emacs","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/emacs"},{"name":"Gnu Wget","slug":"wget","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/wget"},{"name":"Gnu Grub2","slug":"grub2","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/grub2"},{"name":"GNU Coreutils","slug":"coreutils","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/coreutils"},{"name":"Gnu Cpio","slug":"cpio","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/cpio"},{"name":"Gnu Gawk","slug":"gawk","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/gawk"}],"technology":{"hub":true,"name":"Gnu Glibc","slug":"glibc","vendor":{"name":"Gnu","slug":"gnu","url":"https://junglewise.ai/threats/vendors/gnu"},"aliases":[],"category":"library","homepage":"https://www.gnu.org/software/libc/","repo_url":"https://sourceware.org/git/glibc.git","description":"The GNU C Library provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel.","url":"https://junglewise.ai/threats/technologies/glibc"},"most_severe":[{"cve":"CVE-2023-4911","cvss":7.8,"slug":"cve-2023-4911-gnu-c-library-buffer-overflow-vulnerability","title":"GNU C Library Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2023-10-03T18:15:10.463+00:00","url":"https://junglewise.ai/threats/cve-2023-4911-gnu-c-library-buffer-overflow-vulnerability"},{"cve":"CVE-2026-5450","cvss":9.8,"epss":0.0045,"slug":"cve-2026-5450-gnu-glibc-heap-buffer-overflow-in-scanf-mc-specifier","title":"GNU glibc heap buffer overflow in scanf %mc specifier","severity":"critical","exploited":false,"published_at":"2026-04-20T21:16:36.85+00:00","url":"https://junglewise.ai/threats/cve-2026-5450-gnu-glibc-heap-buffer-overflow-in-scanf-mc-specifier"},{"cve":"CVE-2023-6246","cvss":8.4,"slug":"cve-2023-6246-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal","title":"GNU glibc heap buffer overflow in __vsyslog_internal","severity":"high","exploited":false,"published_at":"2024-01-31T14:15:48.42+00:00","url":"https://junglewise.ai/threats/cve-2023-6246-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal"},{"cve":"CVE-2023-6779","cvss":8.2,"slug":"cve-2023-6779-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal","title":"GNU glibc heap buffer overflow in __vsyslog_internal","severity":"high","exploited":false,"published_at":"2024-01-31T14:15:48.7+00:00","url":"https://junglewise.ai/threats/cve-2023-6779-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal"},{"cve":"CVE-2024-33599","cvss":8.1,"slug":"cve-2024-33599-gnu-glibc-nscd-stack-based-buffer-overflow-in-netgroup-cache","title":"GNU glibc nscd stack-based buffer overflow in netgroup cache","severity":"high","exploited":false,"published_at":"2024-05-06T20:15:11.437+00:00","url":"https://junglewise.ai/threats/cve-2024-33599-gnu-glibc-nscd-stack-based-buffer-overflow-in-netgroup-cache"},{"cve":"CVE-2026-4046","cvss":7.5,"epss":0.0036,"slug":"cve-2026-4046-gnu-glibc-assertion-failure-in-iconv-character-conversion","title":"GNU glibc assertion failure in iconv character conversion","severity":"high","exploited":false,"published_at":"2026-03-30T18:16:19.573+00:00","url":"https://junglewise.ai/threats/cve-2026-4046-gnu-glibc-assertion-failure-in-iconv-character-conversion"},{"cve":"CVE-2026-5928","cvss":7.5,"epss":0.0035,"slug":"cve-2026-5928-gnu-c-library-glibc-buffer-under-read-in-ungetwc","title":"GNU C Library glibc buffer under-read in ungetwc","severity":"high","exploited":false,"published_at":"2026-04-20T21:16:36.963+00:00","url":"https://junglewise.ai/threats/cve-2026-5928-gnu-c-library-glibc-buffer-under-read-in-ungetwc"},{"cve":"CVE-2026-4437","cvss":7.5,"epss":0.0029,"slug":"cve-2026-4437-gnu-glibc-dns-specification-violation-in-gethostbyaddr","title":"GNU glibc DNS specification violation in gethostbyaddr","severity":"high","exploited":false,"published_at":"2026-03-20T20:16:49.477+00:00","url":"https://junglewise.ai/threats/cve-2026-4437-gnu-glibc-dns-specification-violation-in-gethostbyaddr"},{"cve":"CVE-2024-33602","cvss":7.4,"slug":"cve-2024-33602-gnu-glibc-memory-corruption-in-nscd-netgroup-cache","title":"GNU glibc memory corruption in nscd netgroup cache","severity":"high","exploited":false,"published_at":"2024-05-06T20:15:11.68+00:00","url":"https://junglewise.ai/threats/cve-2024-33602-gnu-glibc-memory-corruption-in-nscd-netgroup-cache"},{"cve":"CVE-2026-5435","cvss":7.3,"epss":0.002,"slug":"cve-2026-5435-gnu-glibc-out-of-bounds-write-in-ns-printrrf-tsig-handling","title":"GNU glibc out-of-bounds write in ns_printrrf TSIG handling","severity":"high","exploited":false,"published_at":"2026-04-28T13:19:22.29+00:00","url":"https://junglewise.ai/threats/cve-2026-5435-gnu-glibc-out-of-bounds-write-in-ns-printrrf-tsig-handling"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}