Bug 1818934 (CVE-2019-20633) - CVE-2019-20633 patch: double free in another_hunk function in pch.c
Summary: CVE-2019-20633 patch: double free in another_hunk function in pch.c
Keywords:
Status: NEW
Alias: CVE-2019-20633
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
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Depends On: 1818938 1819277 1819278
Blocks: 1818937
TreeView+ depends on / blocked
 
Reported: 2020-03-30 18:10 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-10-06 19:32 UTC (History)
3 users (show)

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Description Guilherme de Almeida Suckevicz 2020-03-30 18:10:22 UTC 
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.

Reference:
https://savannah.gnu.org/bugs/index.php?56683
Comment 1 Guilherme de Almeida Suckevicz 2020-03-30 18:11:29 UTC 
Created patch tracking bugs for this issue:

Affects: fedora-all [bug 1818938]
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