{"schema_version":"1.7.2","id":"OESA-2026-4539","modified":"2026-10-29T09:02:42Z","published":"2026-10-29T09:02:42Z","upstream":["CVE-2026-111497"],"summary":"brotli security update","details":"Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression.\r\n\r\nSecurity Fix(es):\n\nA buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.\n\n\n\n\n\nUsers need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.(CVE-2026-111497)","affected":[{"package":{"ecosystem":"openEuler:24.03-LTS-SP4","name":"brotli","purl":"pkg:rpm/openEuler/brotli&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1.oe2403sp4"}]}],"ecosystem_specific":{"aarch64":["brotli-1.1.1-1.oe2403sp4.aarch64.rpm","brotli-debuginfo-1.1.1-1.oe2403sp4.aarch64.rpm","brotli-debugsource-1.1.1-1.oe2403sp4.aarch64.rpm","brotli-devel-1.1.1-1.oe2403sp4.aarch64.rpm","python3-brotli-1.1.1-1.oe2403sp4.aarch64.rpm"],"noarch":["brotli-help-1.1.1-1.oe2403sp4.noarch.rpm"],"src":["brotli-1.1.1-1.oe2403sp4.src.rpm"],"x86_64":["brotli-1.1.1-1.oe2403sp4.x86_64.rpm","brotli-debuginfo-1.1.1-1.oe2403sp4.x86_64.rpm","brotli-debugsource-1.1.1-1.oe2403sp4.x86_64.rpm","brotli-devel-1.1.1-1.oe2403sp4.x86_64.rpm","python3-brotli-1.1.1-1.oe2403sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4539"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111497"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"database_specific":{"severity":"Critical"}}