Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service. https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 https://github.com/openSUSE/libsolv/issues/425
Upstream patch commit: https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec
This issue has been addressed in the following products: Red Hat Satellite 6.11 for RHEL 7 Red Hat Satellite 6.11 for RHEL 8 Via RHSA-2022:5498 https://access.redhat.com/errata/RHSA-2022:5498
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-44568