CVE-2026-8932

🚨 CVE-2026-8932 - El Error de Seguridad más Antiguo de libcurl Coincidencia de Configuración mTLS Incompleta en libcurl La vulnerabilidad de seguridad más antigua jamás corregida en libcurl—permaneciendo inadvertida durante más de 25 años. 📖 Resumen CVE-2026-8932 es una vulnerabilidad de segurida...

CVE-2026-3805-curl-SMB-UAF

CVE-2026-3805: Use-After-Free en la reutilización de conexiones SMB de curl Encontré una vulnerabilidad de use-after-free en el manejador de protocolo SMB de libcurl. Cuando una segunda transferencia SMB reutiliza una conexión existente al mismo servidor, la ruta del archivo para la nueva solicit...

Fedora 45 : curl (2026-663a2d0ba4)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-663a2d0ba4 advisory. - fix HTTP/2 server push UAF CVE-2026-18924 - fix Negotiate ambient user conn reuse CVE-2026-19931 - remove test1701 - HTTP/2 Upgrade in a HTTP/1.1...

CVE-2026-8932-PoC

CVE-2026-8932 PoC Proof-of-concept reproduction of CVE-2026-8932 , an incomplete mTLS configuration matching issue in libcurl connection reuse. Overview CVE-2026-8932 affects libcurl's connection reuse logic when mutual TLS mTLS configuration changes between requests. Under vulnerable conditions,...

AlmaLinux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (ALMALINUX9.6:CLSA-2026:1778889816)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778889816 advisory. - libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTPS request after a...

CentOS Linux 8.4 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (CENTOS8.4:CLSA-2026:1785319688)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1785319688 advisory. - A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even thoug...

Rocky Linux 9 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / curl-minimal / etc (crlsa-2022_8299)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20228299 advisory. curl: bad local IPv6 connection reuse CVE-2022-27775 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that Nessus...

Rocky Linux 10.2 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / libcurl / etc Multiple Vulnerabilities (crlsa-2026_69125)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202669125 advisory. libcurl: libcurl: Security feature bypass due to improper mTLS connection reuse CVE-2026-8932 curl: curl: Information disclosure via incorrect .netrc...

CentOS Linux 8.5 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1774259901)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1774259901 advisory. - libcurl can in some circumstances reuse the wrong connection when asked to do an Negotiate-authenticated HTTP or HTTPS request...

Rocky Linux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (ALMALINUX9.6:CLSA-2026:1778889816)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778889816 advisory. - libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTPS request after a...

CentOS Linux 8.5 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (CENTOS8.5:CLSA-2026:1786092535)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1786092535 advisory. - libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited...

AlmaLinux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786091577)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786091577 advisory. - libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate-authenticated ones, even when they are s...

CentOS Linux 8.5 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (CENTOS8.5:CLSA-2026:1785320042)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1785320042 advisory. - A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even thoug...

AlmaLinux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1785925031)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785925031 advisory. - When reusing a libcurl handle for sequential transfers driven by environment-variable proxy configuration, libcurl fails to clear...

Rocky Linux 9 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / curl-minimal / etc Multiple Vulnerabilities (crlsa-2026_69126)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202669126 advisory. curl: libcurl: Unauthorized connection reuse due to a logical error CVE-2026-8458 curl: Information disclosure due to uncleared proxy authentication state...

Rocky Linux 8 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / libcurl / etc (crlsa-2023_3106)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20233106 advisory. curl: FTP too eager connection reuse CVE-2023-27535 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that Nessus...

AlmaLinux 9.2 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1785925784)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785925784 advisory. - When reusing a libcurl handle for sequential transfers driven by environment-variable proxy configuration, libcurl fails to clear...

CentOS Linux 7 [TuxCare] Security Update: curl / libcurl / libcurl-devel (CENTOS7:CLSA-2026:1785400806)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1785400806 advisory. - A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though th...

Rocky Linux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786091577)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786091577 advisory. - libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate-authenticated ones, even when they are...

CentOS Linux 8 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (CENTOS-STREAM8:CLSA-2026:1785421291)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1785421291 advisory. - A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even...