libgcrypt 1.12.0 regression: gcry_mpi_ec_curve_point
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	• gniibe
	Feb 3 2026, 7:09 AM

Description

Reported to gcrypt-devel:

gcry_mpi_ec_curve_point corrupts point

... which is a regression in the 1.12.0 release.

External Link: https://lists.gnupg.org/pipermail/gcrypt-devel/2026-January/006024.html
Version: 1.12.0

rC libgcrypt
	rC949557945cf8 mpi:ec: Don't modify POINT in _gcry_mpi_ec_get_affine.

• gniibe triaged this task as Normal priority.

• gniibe created this task.

• gniibe mentioned this in Unknown Object (Maniphest Task).Feb 9 2026, 7:37 AM

Fixed in 1.12.1.