GNU Libextractor vulnerabilities

15 CVEs affecting GNU Libextractor, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-100310, published 2026-09-25.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2018-16430, published 2018-09-04. High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days. GNU Libextractor through 1.7 has an out-of-bounds read vulnerability in EXTRACTOR_zip_extract_method() in zip_extractor.c.
CVE-2017-15267, published 2017-10-11. High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days. In GNU Libextractor 1.4, there is a NULL Pointer Dereference in flac_metadata in flac_extractor.c.
CVE-2017-17440, published 2017-12-06. Medium severity, CVSS 6.5. EPSS: 2.4% chance of exploitation in the next 30 days. GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID,…
CVE-2018-20430, published 2018-12-24. Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days. GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.
CVE-2018-20431, published 2018-12-24. Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days. GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
CVE-2018-14346, published 2018-07-17. High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days. GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).
CVE-2017-15600, published 2017-10-18. High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days. In GNU Libextractor 1.4, there is a NULL Pointer Dereference in the EXTRACTOR_nsf_extract_method function of plugins/nsf_extractor.c.
CVE-2018-14347, published 2018-07-17. Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days. GNU Libextractor before 1.7 contains an infinite loop vulnerability in EXTRACTOR_mpeg_extract_method (mpeg_extractor.c).
CVE-2019-15531, published 2019-08-23. Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days. GNU Libextractor through 1.9 has a heap-based buffer over-read in the function EXTRACTOR_dvi_extract_method in plugins/dvi_extractor.c.
CVE-2017-15601, published 2017-10-18. High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days. In GNU Libextractor 1.4, there is a heap-based buffer overflow in the EXTRACTOR_png_extract_method function in plugins/png_extractor.c, related to processiTXt and stndup.

Latest

CVE-2026-100310, published 2026-09-25. High severity, CVSS 7.0. EPSS: 0.1% chance of exploitation in the next 30 days. GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX environment variable without proper privilege checks. A local attacker can exploit this…
CVE-2026-91752, published 2026-09-15. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream…
CVE-2017-15922, published 2017-10-26. Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days. In GNU Libextractor 1.4, there is an out-of-bounds read in the EXTRACTOR_dvi_extract_method function in plugins/dvi_extractor.c.