Fixed in Thunderbird ESR 10.0.11:

MFSA 2012-106 Use-after-free, buffer overflow, and memory corruption issues found using Address Sanitizer
MFSA 2012-105 Use-after-free and buffer overflow issues found using Address Sanitizer
MFSA 2012-103 Frames can shadow top.location
MFSA 2012-101 Improper character decoding in HZ-GB-2312 charset
MFSA 2012-100 Improper security filtering for cross-origin wrappers
MFSA 2012-93 evalInSanbox location context incorrectly applied
MFSA 2012-92 Buffer overflow while rendering GIF images
MFSA 2012-91 Miscellaneous memory safety hazards (rv:17.0/ rv:10.0.11)

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