What is CVE-2019-6459?

CVE-2019-6459 is a medium-severity vulnerability in GNU Recutils, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2019-01-16.

How severe is CVE-2019-6459?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in GNU Recutils

CVE-2019-6459

An issue was discovered in GNU Recutils 1.8. There is a memory leak in rec_extract_type in rec-utils.c in librec.a.

Published 2019-01-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

GNU Recutils — versions 1.8

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/TeamSeri0us/pocs/tree/master/recutils (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-6459?: CVE-2019-6459 is a medium-severity vulnerability in GNU Recutils, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2019-01-16.
How severe is CVE-2019-6459?: Medium severity. CVSS v3 base score is 6.5 out of 10.