From libksba-1.8.0 vs libksba-1.8.1:

@@ -1,3 +1,11 @@
+Noteworthy changes in version 1.8.1 (2026-08-24) [C24/A16/R1]
+------------------------------------------------
+
+ * Fix CMS parser to avoid possible infinite loop.  [T8361]
+
+ Release-info: https://dev.gnupg.org/T8253

The fix is:

commit 06720f9b16a172404f49089cbb6eb95e4344f562
Author:     NIIBE Yutaka <[email protected]>
AuthorDate: Thu Jul 30 14:18:27 2026 +0900
Commit:     NIIBE Yutaka <[email protected]>
CommitDate: Thu Jul 30 14:28:38 2026 +0900

    Fix CMS parser to avoid possible infinite loop.

    * src/cms-parser.c (_ksba_cms_parse_signed_data_part_2): Finish
    when detecting no progress.
    (_ksba_cms_parse_enveloped_data_part_1): Likewise.

    --

    Found by AISLE in partnership with Red Hat.

    Reported by: Jakub Jelen
    GnuPG-bug-id: 8361
    Signed-off-by: NIIBE Yutaka <[email protected]>

sam

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