Are you sure that the problem is between libcairo 1.12.2 and 1.12.4? I recechecked with Ubuntu 12.04.3 LTS 64bit Desktop CDROM with is based on libcario 1.10.2 and it also shows this bug.
Are you sure that the problem is between libcairo 1.12.2 and 1.12.4? I recechecked with Ubuntu 12.04.3 LTS 64bit Desktop CDROM with is based on libcario 1.10.2 and it also shows this bug.