FS#70063 - [flac] [Security] information disclosure (CVE-2020-0499)

Attached to Project: Arch Linux
Opened by Jonas Witschel (diabonas) - Thursday, 18 March 2021, 12:30 GMT
Last edited by Antonio Rojas (arojas) - Saturday, 08 May 2021, 18:37 GMT
Task Type Bug Report
Category Security
Status Closed
Assigned To Levente Polyak (anthraxx)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Summary
=======

The package flac is vulnerable to information disclosure via CVE-2020-0499.

Guidance
========

Applying commit 2e7931c27eb15e387da440a37f12437e35b22dd4 referenced below fixes the issue.

References
==========

https://security.archlinux.org/AVG-1376
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17069
https://github.com/xiph/flac/commit/2e7931c27eb15e387da440a37f12437e35b22dd4
This task depends upon

Closed by  Antonio Rojas (arojas)
Saturday, 08 May 2021, 18:37 GMT
Reason for closing:  Fixed
Additional comments about closing:  flac 1.3.3-3
Comment by T.J. Townsend (blakkheim) - Saturday, 08 May 2021, 17:46 GMT
Attached diff for the PKGBUILD adds that fix and another one to "add some overflow checks for residual bits calculation."

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