CLSA-2026-1784069953

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784069953.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1784069953
Upstream
Published
2026-07-14T22:59:25Z
Modified
2026-10-26T09:32:03Z
Summary
Fix CVE(s): CVE-2026-58050
Details
  • SECURITY UPDATE: potential multiplication overflow in the publickey subsystem leading to a heap buffer overflow on 32-bit platforms
    • debian/patches/CVE-2026-58050.patch: cap the publickey attribute count at 1024, and zero-initialise the freshly (re)allocated list entry before parsing to avoid a free of uninitialised memory on the new bounds-check error path, in libssh2_publickey_list_fetch() in src/publickey.c
    • CVE-2026-58050
References

Affected packages

TuxCare:Ubuntu:18.04 / libssh2-1

Package

Name
libssh2-1
Purl
pkg:deb/tuxcare/libssh2-1?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.8.0-1ubuntu0.1+tuxcare.els2

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784069953.json"

TuxCare:Ubuntu:18.04 / libssh2-1-dev

Package

Name
libssh2-1-dev
Purl
pkg:deb/tuxcare/libssh2-1-dev?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.8.0-1ubuntu0.1+tuxcare.els2

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1784069953.json"