CLSA-2026-1781276539
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1781276539.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1781276539
- Upstream
- Published
- 2026-06-12T15:02:36Z
- Modified
- 2026-10-26T09:32:05Z
- Summary
- Fix CVE(s): CVE-2026-45447
- Details
-
- SECURITY UPDATE: Use-after-free in PKCS7_verify() during BIO chain cleanup
- debian/patches/CVE-2026-45447.patch: free the BIO chain built by PKCS7_dataInit() one BIO at a time, stopping at the caller-provided indata BIO, in PKCS7_verify() in crypto/pkcs7/pk7_smime.c instead of relying on BIO_pop()/BIO_free_all() which could leave a dangling reference and trigger a use-after-free
- CVE-2026-45447
- SECURITY UPDATE: Use-after-free in PKCS7_verify() during BIO chain cleanup
- 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