CVE-2019-20633

MEDIUM
5.5
CVSS Score
Published: March 25, 2020 at 04:44 PM UTC
Updated: June 17, 2026 at 02:30 AM UTC
1 product affected across 1 vendorPatch

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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%

Description

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.7.6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCExploitVendor Advisory
https://savannah.gnu.org/bugs/index.php?56683

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-415

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