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Bug 821517 (CVE-2021-27836) - dev-libs/libxls: null pointer dereferences
Summary: dev-libs/libxls: null pointer dereferences
Status: CONFIRMED
Alias: CVE-2021-27836
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL: https://github.com/libxls/libxls/issu...
Whiteboard: B3 [upstream]
Keywords:
Depends on:
Blocks:
 
Reported: 2021-11-03 19:17 UTC by John Helmert III
Modified: 2021-11-03 19:17 UTC (History)
1 user (show)

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


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Description John Helmert III gentoo-dev Security 2021-11-03 19:17:14 UTC
CVE-2021-27836:

An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.

Three PRs listed in the issue:

https://github.com/libxls/libxls/pull/95
https://github.com/libxls/libxls/pull/96
https://github.com/libxls/libxls/pull/97

Only the first two are merged, but they're merged into dev and are
unreleased.