Double Free in GNU Patch
CVE-2018-6952
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- savannah.gnu.org/bugs/index.php (Vendor Advisory)
- www.securityfocus.com/bid/103047 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201904-17 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2033 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6952?
- CVE-2018-6952 is a high-severity vulnerability in GNU Patch, classified under Double Free. CVSS score: 7.5/10. Published 2018-02-13.
- How severe is CVE-2018-6952?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-6952 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.