<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="../assets/feed.xsl"?><rss version="2.0"><channel><title>PatchTheCVE: libsecp256k1</title><link>https://patchthecve.com/</link><description>CVEs with upgrade or downgrade fix steps</description><item><title>CVE-2021-38195: An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust</title><link>https://patchthecve.com/cve/CVE-2021-38195.html</link><guid>https://patchthecve.com/cve/CVE-2021-38195.html</guid><pubDate>Wed, 17 Jun 2026 04:01:44 +0000</pubDate><description>CRITICAL 9.8: An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.</description></item><item><title>CVE-2019-25003: An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust</title><link>https://patchthecve.com/cve/CVE-2019-25003.html</link><guid>https://patchthecve.com/cve/CVE-2019-25003.html</guid><pubDate>Wed, 17 Jun 2026 02:31:27 +0000</pubDate><description>HIGH 7.5: An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.</description></item><item><title>CVE-2019-20399: A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potential</title><link>https://patchthecve.com/cve/CVE-2019-20399.html</link><guid>https://patchthecve.com/cve/CVE-2019-20399.html</guid><pubDate>Wed, 17 Jun 2026 02:30:21 +0000</pubDate><description>MEDIUM 5.9: A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack.</description></item></channel></rss>