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AUSCERT External Security Bulletin Redistribution
Security update for libopenmpt
10 June 2021
AusCERT Security Bulletin Summary
Operating System: SUSE
Impact/Access: Denial of Service -- Unknown/Unspecified
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SUSE Security Update: Security update for libopenmpt
Announcement ID: SUSE-SU-2021:1914-1
SUSE Linux Enterprise Module for Desktop Applications 15-SP3
SUSE Linux Enterprise Module for Desktop Applications 15-SP2
An update that contains security fixes can now be installed.
This update for libopenmpt fixes the following issues:
Various bugfix and stability issues were fixed, some of those might have
libopenmpt was updated to 0.3.28:
o Fixed excessive memory consumption with malformed files in various formats.
Changes in 0.3.27:
o AMS: Avoid allocating excessive amount of memory for compressed song
message in malformed files.
o S3M: Some samples were imported with a too high sample rate if module was
saved with Scream Tracker 3.
Changes in 0.3.26:
o DMF: Improve import of finetune effect with parameters larger than +/-15.
Changes in 0.3.25:
o AMS: An upper bound for uncompressed sample size is now established to
avoid memory exhaustion from malformed files.
o MO3: Avoid certain ModPlug hacks from being fixed up twice, which could
lead to e.g. very narrow pan swing range for old OpenMPT IT files saved
with a recent MO3 encoder version.
o IMF: Instrument sample mapping was off by one octave, notable in the guitar
part of Astaris by Karsten Koch.
o PLM: Percentage offset (Mxx) was slightly off.
Changes in 0.3.24:
o PP20: The first few bytes of some files were not decompressed properly,
making some files unplayable (depending on the original format).
Changes in 0.3.23:
o IT: Global volume slides with both nibbles set preferred the "slide up"
nibble over the "slide down" nibble in old OpenMPT versions, unlike other
slides. Such old files are now imported correctly again.
o IT: Fixed an edge case where, if the filter hit full cutoff / no resonance
on the first tick of a row where a new delayed note would be triggered, the
filter would be disabled even though it should stay active. Fixes trace.it
o XM: Out-of-range arpeggio clamping behaviour broke in OpenMPT 1.23.05.00.
The arpeggios in Binary World by Dakota now play correctly again.
o S3M: Support old-style sample pre-amp value in very early S3M files.
o S3M: Only force-enable fast slides for files ST 3.00. Previously, any S3M
file made with an ST3 version older than 3.20 enabled them.
o M15: Improve tracker detection heuristics to never assume SoundTracker 2.0
if there is a huge number of Dxx commands, as that is a definite hint that
they should be treated as volume slides. Fixes Monty On The Run by Master
Changes in 0.3.22:
o IT: Disable retrigger with short notes quirk for modules saved with Chibi
Tracker, as it does not implement that quirk.
o MOD: Fix early song ending due to ProTracker pattern jump quirk (EEx + Dxx
on same row) if infinite looping is disabled. Fixes Haunted Tracks.mod by
o MOD: Vibrato type "ramp down" was upside down.
Changes in 0.3.21:
o IT: Vibrato was too fast in Old Effects mode since libopenmpt 0.3.
o XM: Treat 8bitbubsy's FT2 clone exactly like Fasttracker 2 with respect to
compatibility and playback flags. For example, FT2 Pan Law was not applied.
o DMF: Some files had a wrong tempo since libopenmpt 0.2.5705-beta15.
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Desktop Applications 15-SP3:
zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP3-2021-1914=1
o SUSE Linux Enterprise Module for Desktop Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP2-2021-1914=1
o SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (aarch64
ppc64le s390x x86_64):
o SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (aarch64
ppc64le s390x x86_64):
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