{"schema_version":1,"title":"Libexpat vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Libexpat: 1 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-124317, was published on 7 November 2026. 4 vulnerabilities in the last four weeks, up 100% on the four before (2). 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/libexpat","json_url":"https://junglewise.ai/threats/vendors/libexpat.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/vendors/libexpat","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":true,"counts":{"high":2,"all_time":8,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":4,"last_90_days":8,"last_365_days":8},"latest":[{"cve":"CVE-2026-124317","cvss":4.8,"slug":"cve-2026-124317-libexpat-through-2-10-0-contains-an-out-of-bounds-read","title":"libexpat out-of-bounds read in unknown encoding handlers","severity":"medium","exploited":false,"published_at":"2026-11-07T15:17:16.08+00:00","url":"https://junglewise.ai/threats/cve-2026-124317-libexpat-through-2-10-0-contains-an-out-of-bounds-read"},{"cve":"CVE-2026-117610","cvss":5.9,"slug":"cve-2026-117610-libexpat-through-2-9-0-contains-a-null-pointer-dereference","title":"libexpat NULL pointer dereference in external entity parsing","severity":"medium","exploited":false,"published_at":"2026-10-28T03:17:12.777+00:00","url":"https://junglewise.ai/threats/cve-2026-117610-libexpat-through-2-9-0-contains-a-null-pointer-dereference"},{"cve":"CVE-2026-115506","cvss":7.5,"slug":"cve-2026-115506-libexpat-through-2-9-0-contains-a-denial-of-service","title":"libexpat denial of service in billion laughs protection","severity":"high","exploited":false,"published_at":"2026-10-22T20:17:06.62+00:00","url":"https://junglewise.ai/threats/cve-2026-115506-libexpat-through-2-9-0-contains-a-denial-of-service"},{"cve":"CVE-2026-113351","cvss":5.9,"slug":"cve-2026-113351-libexpat-2-7-2-through-2-9-0-contains-a-denial-of-service","title":"libexpat denial of service via XML_ParserReset byte count inconsistency","severity":"medium","exploited":false,"published_at":"2026-10-20T11:17:19.363+00:00","url":"https://junglewise.ai/threats/cve-2026-113351-libexpat-2-7-2-through-2-9-0-contains-a-denial-of-service"},{"cve":"CVE-2026-102633","cvss":5.9,"slug":"cve-2026-102633-libexpat-versions-2-7-2-through-2-8-5-contain-an-integer","title":"libexpat integer overflow in expat_realloc on 32-bit platforms","severity":"medium","exploited":false,"published_at":"2026-09-29T17:17:06.98+00:00","url":"https://junglewise.ai/threats/cve-2026-102633-libexpat-versions-2-7-2-through-2-8-5-contain-an-integer"},{"cve":"CVE-2026-93990","cvss":7.5,"epss":0.0037,"slug":"cve-2026-93990-expat-through-2-8-4-fails-to-validate-low-surrogates-following","title":"Expat UTF-16 surrogate validation bypass","severity":"high","exploited":false,"published_at":"2026-09-19T23:17:10.203+00:00","url":"https://junglewise.ai/threats/cve-2026-93990-expat-through-2-8-4-fails-to-validate-low-surrogates-following"},{"cve":"CVE-2026-76957","cvss":4.9,"epss":0.0015,"slug":"cve-2026-76957-libexpat-use-after-free-in-custom-encoding-callbacks","title":"libexpat use-after-free in custom encoding callbacks","severity":"medium","exploited":false,"published_at":"2026-08-20T05:16:29.747+00:00","url":"https://junglewise.ai/threats/cve-2026-76957-libexpat-use-after-free-in-custom-encoding-callbacks"},{"cve":"CVE-2026-76956","cvss":5.9,"epss":0.0045,"slug":"cve-2026-76956-libexpat-hash-flooding-denial-of-service-via-mishandled-entropy","title":"libexpat hash flooding denial of service via mishandled entropy generation","severity":"medium","exploited":false,"published_at":"2026-08-20T05:16:29.61+00:00","url":"https://junglewise.ai/threats/cve-2026-76956-libexpat-hash-flooding-denial-of-service-via-mishandled-entropy"}],"vendor":{"hub":true,"name":"Libexpat","slug":"libexpat","description":"XML parser library for parsing and processing XML documents in C applications.","url":"https://junglewise.ai/threats/vendors/libexpat"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":2},{"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":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":1},{"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":2},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-93990","cvss":7.5,"epss":0.0037,"slug":"cve-2026-93990-expat-through-2-8-4-fails-to-validate-low-surrogates-following","title":"Expat UTF-16 surrogate validation bypass","severity":"high","exploited":false,"published_at":"2026-09-19T23:17:10.203+00:00","url":"https://junglewise.ai/threats/cve-2026-93990-expat-through-2-8-4-fails-to-validate-low-surrogates-following"},{"cve":"CVE-2026-115506","cvss":7.5,"slug":"cve-2026-115506-libexpat-through-2-9-0-contains-a-denial-of-service","title":"libexpat denial of service in billion laughs protection","severity":"high","exploited":false,"published_at":"2026-10-22T20:17:06.62+00:00","url":"https://junglewise.ai/threats/cve-2026-115506-libexpat-through-2-9-0-contains-a-denial-of-service"},{"cve":"CVE-2026-76956","cvss":5.9,"epss":0.0045,"slug":"cve-2026-76956-libexpat-hash-flooding-denial-of-service-via-mishandled-entropy","title":"libexpat hash flooding denial of service via mishandled entropy generation","severity":"medium","exploited":false,"published_at":"2026-08-20T05:16:29.61+00:00","url":"https://junglewise.ai/threats/cve-2026-76956-libexpat-hash-flooding-denial-of-service-via-mishandled-entropy"},{"cve":"CVE-2026-117610","cvss":5.9,"slug":"cve-2026-117610-libexpat-through-2-9-0-contains-a-null-pointer-dereference","title":"libexpat NULL pointer dereference in external entity parsing","severity":"medium","exploited":false,"published_at":"2026-10-28T03:17:12.777+00:00","url":"https://junglewise.ai/threats/cve-2026-117610-libexpat-through-2-9-0-contains-a-null-pointer-dereference"},{"cve":"CVE-2026-113351","cvss":5.9,"slug":"cve-2026-113351-libexpat-2-7-2-through-2-9-0-contains-a-denial-of-service","title":"libexpat denial of service via XML_ParserReset byte count inconsistency","severity":"medium","exploited":false,"published_at":"2026-10-20T11:17:19.363+00:00","url":"https://junglewise.ai/threats/cve-2026-113351-libexpat-2-7-2-through-2-9-0-contains-a-denial-of-service"},{"cve":"CVE-2026-102633","cvss":5.9,"slug":"cve-2026-102633-libexpat-versions-2-7-2-through-2-8-5-contain-an-integer","title":"libexpat integer overflow in expat_realloc on 32-bit platforms","severity":"medium","exploited":false,"published_at":"2026-09-29T17:17:06.98+00:00","url":"https://junglewise.ai/threats/cve-2026-102633-libexpat-versions-2-7-2-through-2-8-5-contain-an-integer"},{"cve":"CVE-2026-76957","cvss":4.9,"epss":0.0015,"slug":"cve-2026-76957-libexpat-use-after-free-in-custom-encoding-callbacks","title":"libexpat use-after-free in custom encoding callbacks","severity":"medium","exploited":false,"published_at":"2026-08-20T05:16:29.747+00:00","url":"https://junglewise.ai/threats/cve-2026-76957-libexpat-use-after-free-in-custom-encoding-callbacks"},{"cve":"CVE-2026-124317","cvss":4.8,"slug":"cve-2026-124317-libexpat-through-2-10-0-contains-an-out-of-bounds-read","title":"libexpat out-of-bounds read in unknown encoding handlers","severity":"medium","exploited":false,"published_at":"2026-11-07T15:17:16.08+00:00","url":"https://junglewise.ai/threats/cve-2026-124317-libexpat-through-2-10-0-contains-an-out-of-bounds-read"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[{"name":"Libexpat","slug":"libexpat-libexpat","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/libexpat-libexpat"}]}