CLSA-2026-1777397374
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777397374.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1777397374
- Upstream
- Published
- 2026-04-29T07:00:37Z
- Modified
- 2026-06-04T09:47:37.752752272Z
- Summary
- Fix CVE(s): CVE-2026-28390
- Details
-
- SECURITY UPDATE: A NULL pointer dereference in rsacmsdecrypt() when
processing CMS messages with RSA-OAEP encryption where pSourceFunc is
present but its parameters field is absent can trigger a crash, leading
to Denial of Service.
- debian/patches/CVE-2026-28390.patch: use X509ALGORget0 and ASN1STRING* accessors to safely parse pSourceFunc; duplicate the OAEP label before handing it to EVPPKEYCTXset0rsaoaeplabel.
- CVE-2026-28390
- SECURITY UPDATE: A NULL pointer dereference in rsacmsdecrypt() when
processing CMS messages with RSA-OAEP encryption where pSourceFunc is
present but its parameters field is absent can trigger a crash, leading
to Denial of Service.
- References
Affected packages
TuxCare:Ubuntu:20.04 / libssl-dev
Package
- Name
- libssl-dev
- Purl
- pkg:deb/tuxcare/libssl-dev?distro=ubuntu-20.04
TuxCare:Ubuntu:20.04 / libssl-doc
Package
- Name
- libssl-doc
- Purl
- pkg:deb/tuxcare/libssl-doc?distro=ubuntu-20.04
TuxCare:Ubuntu:20.04 / libssl1.1
Package
- Name
- libssl1.1
- Purl
- pkg:deb/tuxcare/libssl1.1?distro=ubuntu-20.04