{"schema_version":1,"title":"Gnu C Library (glibc) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Gnu C Library (glibc): 1 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-115819, was published on 11 November 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/technologies/c-library-glibc","json_url":"https://junglewise.ai/threats/technologies/c-library-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/c-library-glibc","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":1,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-115819","cvss":4.8,"slug":"cve-2026-115819-calling-the-wide-scanf-family-of-functions-swscanf-fwscanf","title":"GNU C Library wide scanf one-byte buffer overflow","severity":"medium","exploited":false,"published_at":"2026-11-11T16:17:24.98+00:00","url":"https://junglewise.ai/threats/cve-2026-115819-calling-the-wide-scanf-family-of-functions-swscanf-fwscanf"},{"cve":"CVE-2026-86805","cvss":6.3,"epss":0.0012,"slug":"cve-2026-86805-a-time-of-check-to-time-of-use-toctou-race-condition-in-the","title":"GNU C Library dynamic loader privilege escalation via TOCTOU race","severity":"medium","exploited":false,"published_at":"2026-09-22T16:18:06.23+00:00","url":"https://junglewise.ai/threats/cve-2026-86805-a-time-of-check-to-time-of-use-toctou-race-condition-in-the"},{"cve":"CVE-2026-77117","cvss":5.9,"epss":0.0041,"slug":"cve-2026-77117-gnu-c-library-shift-jisx0213-converter-hang-in-iconv","title":"GNU C Library SHIFT_JISX0213 converter hang in iconv","severity":"medium","exploited":false,"published_at":"2026-09-15T11:17:12.063+00:00","url":"https://junglewise.ai/threats/cve-2026-77117-gnu-c-library-shift-jisx0213-converter-hang-in-iconv"}],"weekly":[{"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":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":1}],"related":[{"name":"Gnu Binutils","slug":"binutils","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/binutils"},{"name":"GnuTLS","slug":"gnutls","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/gnutls"},{"name":"Gnu Glibc","slug":"glibc","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/glibc"},{"name":"Gnu LibreDWG","slug":"libredwg","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/libredwg"},{"name":"Gnu Emacs","slug":"emacs","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/emacs"},{"name":"GNU tar","slug":"tar","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/tar"},{"name":"Gnu C Library","slug":"c-library","vulnerabilities":9,"url":"https://junglewise.ai/threats/technologies/c-library"},{"name":"Gnu Bash","slug":"bash","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/bash"},{"name":"Gnu Wget","slug":"wget","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/wget"},{"name":"Gnu Cpio","slug":"cpio","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/cpio"},{"name":"Gnu Grub2","slug":"grub2","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/grub2"},{"name":"Gnu Aspell","slug":"aspell","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/aspell"}],"technology":{"hub":true,"name":"Gnu C Library (glibc)","slug":"c-library-glibc","vendor":{"hub":true,"name":"Gnu","slug":"gnu","url":"https://junglewise.ai/threats/vendors/gnu"},"aliases":[],"category":"library","description":"GNU C standard library providing core functions for Linux applications.","url":"https://junglewise.ai/threats/technologies/c-library-glibc"},"most_severe":[{"cve":"CVE-2026-86805","cvss":6.3,"epss":0.0012,"slug":"cve-2026-86805-a-time-of-check-to-time-of-use-toctou-race-condition-in-the","title":"GNU C Library dynamic loader privilege escalation via TOCTOU race","severity":"medium","exploited":false,"published_at":"2026-09-22T16:18:06.23+00:00","url":"https://junglewise.ai/threats/cve-2026-86805-a-time-of-check-to-time-of-use-toctou-race-condition-in-the"},{"cve":"CVE-2026-77117","cvss":5.9,"epss":0.0041,"slug":"cve-2026-77117-gnu-c-library-shift-jisx0213-converter-hang-in-iconv","title":"GNU C Library SHIFT_JISX0213 converter hang in iconv","severity":"medium","exploited":false,"published_at":"2026-09-15T11:17:12.063+00:00","url":"https://junglewise.ai/threats/cve-2026-77117-gnu-c-library-shift-jisx0213-converter-hang-in-iconv"},{"cve":"CVE-2026-115819","cvss":4.8,"slug":"cve-2026-115819-calling-the-wide-scanf-family-of-functions-swscanf-fwscanf","title":"GNU C Library wide scanf one-byte buffer overflow","severity":"medium","exploited":false,"published_at":"2026-11-11T16:17:24.98+00:00","url":"https://junglewise.ai/threats/cve-2026-115819-calling-the-wide-scanf-family-of-functions-swscanf-fwscanf"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}