An update for bouncycastle is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2021-1301 Final 1.0 1.0 2021-08-06 Initial 2021-08-06 2021-08-06 openEuler SA Tool V1.0 2021-08-06 bouncycastle security update An update for bouncycastle is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. The package is organised so that it contains a light-weight API suitable for use in any environment (including the newly released J2ME) with the additional infrastructure to conform the algorithms to the JCE framework. Security Fix(es): Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.(CVE-2020-15522) An update for bouncycastle is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. openEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. Medium bouncycastle https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1301 https://openeuler.org/en/security/cve/detail.html?id=CVE-2020-15522 https://nvd.nist.gov/vuln/detail/CVE-2020-15522 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 bouncycastle-1.61-5.oe1.noarch.rpm bouncycastle-1.61-5.oe1.noarch.rpm bouncycastle-1.61-5.oe1.src.rpm bouncycastle-1.61-5.oe1.src.rpm Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures. 2021-08-06 CVE-2020-15522 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 Medium 5.9 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N bouncycastle security update 2021-08-06 https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1301