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Bug 918624 (CVE-2020-18770) - dev-libs/zziplib: invalid memory access
Summary: dev-libs/zziplib: invalid memory access
Status: CONFIRMED
Alias: CVE-2020-18770
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor
Assignee: Gentoo Security
URL:
Whiteboard: B3 [upstream]
Keywords:
Depends on:
Blocks:
 
Reported: 2023-11-26 20:25 UTC by John Helmert III
Modified: 2023-11-26 20:25 UTC (History)
1 user (show)

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Runtime testing required: ---

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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-11-26 20:25:46 UTC 
CVE-2020-18770 (https://github.com/gdraheim/zziplib/issues/69):

An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

Upstream seemingly can't reproduce.