Crash while playing on server

here u go

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 10/6/13 3:34 PM
Description: Unexpected error

java.lang.NullPointerException
    at bdd.a(SourceFile:322)
    at bdy.l_(SourceFile:74)
    at beh.a(SourceFile:57)
    at atv.k(SourceFile:1402)
    at atv.S(SourceFile:663)
    at atv.d(SourceFile:619)
    at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is
as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.6.4
    Operating System: Windows XP (x86) version 5.1
    Java Version: 1.7.0_05, Oracle Corporation
    Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing),
Oracle Corporation
    Memory: 73358424 bytes (69 MB) / 125767680 bytes (119 MB) up to
518979584 bytes (494 MB)
    JVM Flags: 2 total;
-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
-Xmx512M
    AABB Pool Size: 42235 (2365160 bytes; 2 MB) allocated, 231 (12936
bytes; 0 MB) used
    Suspicious classes: No suspicious classes found.
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    Launched Version: 1.6.4
    LWJGL: 2.9.0
    OpenGL: Radeon X1300 Series x86/SSE2 GL version 2.0.6174 WinXP Release,
ATI Technologies Inc.
    Is Modded: Probably not. Jar signature remains and client brand is
untouched.
    Type: Client (map_client.txt)
    Resource Pack: Default
    Current Language: English (US)
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

Is this still a concern in the latest Minecraft version 1.7.2? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.