Bug#786718: libmpg123: incorrect check/decoding for utf-16 surrogates in id3 parser

[Sebastian Ramacher]

Control: forwarded -1 https://sourceforge.net/p/mpg123/bugs/216/
Control: tags -1 + upstream patch

Hi Yuriy

On 2015-05-24 23:08:12, Yuriy M. Kaminskiy wrote:
> Package: libmpg123-0
> Version: 1.20.1-2
> Severity: normal
> 
> Dear Maintainer,
> 
> utf-16 decoder in id3 parser improperly identifies surrogate pairs,
> resulting in improper identification of characters in 0xf800-0xfffe range as
> leading surrogate and decoding failure.
> 
> E.g. attempt to decode title "｢x｣～y～" results in:
> [id3.c:1065] error: Invalid UTF16 surrogate pair at 0 (0xff62).
> and empty parsed title.
> Attempt to decode title "xy＆zte" results in:
> [id3.c:1065] error: Invalid UTF16 surrogate pair at 4 (0xff06).
> and "xy" in parsed title.
> 
> Patch attached, verified to work.
> This bug still present in the latest upstream version (1.22.2).

Thank you for your bug report. I've forwarded it upstream including your patch.

Cheers
-- 
Sebastian Ramacher
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