An update for libidn is now available for openEuler-24.03-LTS-SP3 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-2933 Final 1.0 1.0 2026-07-09 Initial 2026-07-09 2026-07-09 openEuler SA Tool V1.0 2026-07-09 libidn security update An update for libidn is now available for openEuler-24.03-LTS-SP3 GNU Libidn is a fully documented implementation of the Stringprep, Punycode and IDNA 2003 specifications. Libidn's purpose is to encode and decode internationalized domain names. Security Fix(es): GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.(CVE-2026-57053) An update for libidn is now available for openEuler-24.03-LTS-SP3. 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 libidn https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2933 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-57053 https://nvd.nist.gov/vuln/detail/CVE-2026-57053 openEuler-24.03-LTS-SP3 libidn-help-1.41-2.oe2403sp3.noarch.rpm libidn-1.41-2.oe2403sp3.aarch64.rpm libidn-debuginfo-1.41-2.oe2403sp3.aarch64.rpm libidn-debugsource-1.41-2.oe2403sp3.aarch64.rpm libidn-devel-1.41-2.oe2403sp3.aarch64.rpm libidn-1.41-2.oe2403sp3.src.rpm libidn-1.41-2.oe2403sp3.x86_64.rpm libidn-debuginfo-1.41-2.oe2403sp3.x86_64.rpm libidn-debugsource-1.41-2.oe2403sp3.x86_64.rpm libidn-devel-1.41-2.oe2403sp3.x86_64.rpm GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2. 2026-07-09 CVE-2026-57053 openEuler-24.03-LTS-SP3 Medium 4.0 AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L libidn security update 2026-07-09 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2933