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Debian: Security Advisory for openssl (DSA-4855-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'openssl' package(s) announced via the DSA-4855-1 advisory.
Insight
Insight
Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. An overflow bug in the x64_64 Montgomery squaring procedure, an integer overflow in CipherUpdate and a NULL pointer dereference flaw X509_issuer_and_serial_hash() were found, which could result in denial of service. Additional details can be found in the upstream advisories [link moved to references] and [link moved to references].
Affected Software
Affected Software
'openssl' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), these problems have been fixed in version 1.1.1d-0+deb10u5. We recommend that you upgrade your openssl packages.