CVE-2026-12912: falha de alta gravidade em Red Hat Enterprise Linux 10
Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.3epss 0.4%
A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based buffer overflow. This could potentially result in arbitrary code execution or a denial of service (DoS).
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Produtos afetados
Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat · Red Hat Hardened ImagesRed Hat · Red Hat OpenShift AI 3.0Red Hat · Red Hat OpenShift AI 3.2Red Hat · Red Hat OpenShift AI 3.4CVEs relacionadas — Red Hat Enterprise Linux 10
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Referências
https://access.redhat.com/errata/RHSA-2026:34890https://access.redhat.com/errata/RHSA-2026:41892https://access.redhat.com/errata/RHSA-2026:42668https://access.redhat.com/errata/RHSA-2026:47183https://access.redhat.com/errata/RHSA-2026:47184https://access.redhat.com/errata/RHSA-2026:49671https://access.redhat.com/errata/RHSA-2026:50774https://access.redhat.com/errata/RHSA-2026:54638https://access.redhat.com/errata/RHSA-2026:54640https://access.redhat.com/errata/RHSA-2026:54642https://access.redhat.com/errata/RHSA-2026:58545https://access.redhat.com/errata/RHSA-2026:58553