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authorGravatar Filippo Bigarella2016-10-31 02:51:12 +0100
committerGravatar Nikias Bassen2016-10-31 02:51:12 +0100
commit0be2a22a6504635bb89d4fe4402a9dbe851898d4 (patch)
tree159e0f0f407581108204b087db07010c0c268453 /dev
parent6b9ab336fe3408a4f073a487f5265a1a2ed101f7 (diff)
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xplist: Prevent heap buffer overflow when parsing empty tags
If `ctx->pos - p - 1` is greater than `taglen`, we end up writing outside the buffer pointed to by `tag`. This commit fixes it by checking the bounds of the heap buffer before writing.
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