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Vulnerability record · CVE-2019-6456 · published 16 January 2019

CVE-2019-6456: Gnu recutils null pointer dereference vulnerability

Gnu · Recutils

An issue was discovered in GNU Recutils 1.8. There is a NULL pointer dereference in the function rec_fex_size() in the file rec-fex.c of librec.a.

6.5 CVSS 3.0 Medium EPSS 1.3% · top 29.7% CWE-476 · NULL pointer dereference
6.5CVSS 3.0 base score, v2 4.3
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in GNU Recutils 1.8. There is a NULL pointer dereference in the function rec_fex_size() in the file rec-fex.c of librec.a.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TeamSeri0us/pocs/tree/master/recutils ExploitThird Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/recutils ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-11639Gnu recutils out-of-bounds write vulnerabilityAn issue was discovered in GNU recutils 1.8. There is a stack-based buffer overflow in the function rec_type_check_enum at rec-types.c in librec.a.EPSS 1.9%8.8CVE-2019-11640Gnu recutils out-of-bounds write vulnerabilityAn issue was discovered in GNU recutils 1.8. There is a heap-based buffer overflow in the function rec_fex_parse_str_simple at rec-fex.c in librec.a.EPSS 1.9%7.5CVE-2025-65409Gnu recutils divide by zero vulnerabilityA divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows attackers to cause a Denial of Service (DoS) via inputting an empt…EPSS 0.36%6.5CVE-2019-11637Gnu recutils out-of-bounds read vulnerabilityAn issue was discovered in GNU recutils 1.8. There is a NULL pointer dereference in the function rec_rset_get_props at rec-rset.c in librec.a, leadin…EPSS 1.4%6.5CVE-2019-11638Gnu recutils out-of-bounds read vulnerabilityAn issue was discovered in GNU recutils 1.8. There is a NULL pointer dereference in the function rec_field_name_equal_p at rec-field-name.c in librec…EPSS 1.4%6.5CVE-2019-6455Gnu recutils double free vulnerabilityAn issue was discovered in GNU Recutils 1.8. There is a double-free problem in the function rec_mset_elem_destroy() in the file rec-mset.c.EPSS 1.3%6.5CVE-2019-6457Gnu recutils memory leak vulnerabilityAn issue was discovered in GNU Recutils 1.8. There is a memory leak in rec_aggregate_reg_new in rec-aggregate.c in librec.a.EPSS 1.3%6.5CVE-2019-6458Gnu recutils memory leak vulnerabilityAn issue was discovered in GNU Recutils 1.8. There is a memory leak in rec_buf_new in rec-buf.c when called from rec_parse_rset in rec-parser.c in li…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2019-6456), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.