VulnerabilityModified
CVE-2018-6952
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
HIGH 7.5EPSS 8.19%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 8.19% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- gnu/patch
- Source
- cve@mitre.org
EPSS moved from 6.3% on 21 September 2026 to 8.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/103047Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2033
- https://savannah.gnu.org/bugs/index.php?53133Vendor Advisory
- https://security.gentoo.org/glsa/201904-17
- http://www.securityfocus.com/bid/103047Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2033
- https://savannah.gnu.org/bugs/index.php?53133Vendor Advisory
- https://security.gentoo.org/glsa/201904-17
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.