In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2025-68973.json"