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Bug 714750 (CVE-2019-20633) - sys-devel/patch: Double free allowing DoS in another_hunk (CVE-2019-20633)
Summary: sys-devel/patch: Double free allowing DoS in another_hunk (CVE-2019-20633)
Alias: CVE-2019-20633
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
Whiteboard: B4 [upstream cve]
Depends on:
Reported: 2020-03-25 17:48 UTC by Sam James
Modified: 2023-03-17 20:50 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Sam James archtester Gentoo Infrastructure gentoo-dev Security 2020-03-25 17:48:47 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."