CVE-2026-9079
Fixed in a distro release EPSS 1%CVSS 9.8
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
Products: curl
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | curl | 8.12.1-4.el10_2.6 |
| AlmaLinux 10 | libcurl | 8.12.1-4.el10_2.6 |
| AlmaLinux 10 | libcurl-devel | 8.12.1-4.el10_2.6 |
| AlmaLinux 10 | libcurl-minimal | 8.12.1-4.el10_2.6 |
| Alpine 3.23 | curl | 8.22.0-r0 |
| Alpine 3.24 | curl | 8.21.0-r0 |
| Amazon Linux 2023 | curl | 8.21.0-5.amzn2023.0.1 |
| Amazon Linux 2023 | curl-minimal | 8.21.0-5.amzn2023.0.1 |
| Amazon Linux 2023 | libcurl | 8.21.0-5.amzn2023.0.1 |
| Amazon Linux 2023 | libcurl-devel | 8.21.0-5.amzn2023.0.1 |
| Amazon Linux 2023 | libcurl-minimal | 8.21.0-5.amzn2023.0.1 |
| Chainguard | eco-python-curl | 8.21.0-r0 |
| Chainguard | eco-python-curl-minimal | 8.21.0-r0 |
| Chainguard | eco-python-curl-minimal-bin | 8.21.0-r0 |
| Chainguard | eco-python-curl-minimal-dev | 8.21.0-r0 |
| Chainguard | eco-python-curl-minimal-doc | 8.21.0-r0 |
| Chainguard | eco-python-curl-minimal-static | 8.21.0-r0 |
| Chainguard | eco-python-curl-nghttp2 | 8.21.0-r0 |
| Chainguard | eco-python-curl-nghttp2-bin | 8.21.0-r0 |
| Chainguard | eco-python-curl-nghttp2-dev | 8.21.0-r0 |
| Chainguard | eco-python-curl-nghttp2-static | 8.21.0-r0 |
| Debian 13 | curl | no fix |
| Debian 14 | curl | 8.21.0~rc2-1 |
| Red Hat Enterprise Linux 10.2 | curl | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | curl-debuginfo | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | curl-debugsource | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | libcurl | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | libcurl-debuginfo | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | libcurl-devel | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | libcurl-minimal | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux 10.2 | libcurl-minimal-debuginfo | 0:8.12.1-4.el10_2.6 |
| Red Hat Enterprise Linux eus 10.0 | curl | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | curl-debuginfo | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | curl-debugsource | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | libcurl | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | libcurl-debuginfo | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | libcurl-devel | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | libcurl-minimal | 0:8.12.1-1.el10_0.10 |
| Red Hat Enterprise Linux eus 10.0 | libcurl-minimal-debuginfo | 0:8.12.1-1.el10_0.10 |
| Red Hat hummingbird 1 | cargo | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | clippy | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | curl | 0:8.21.0-0.1.hum1 |
| Red Hat hummingbird 1 | libcurl | 0:8.21.0-0.1.hum1 |
| Red Hat hummingbird 1 | libcurl-devel | 0:8.21.0-0.1.hum1 |
| Red Hat hummingbird 1 | libcurl-minimal | 0:8.21.0-0.1.hum1 |
| Red Hat hummingbird 1 | rust | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-analyzer | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-debugger-common | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-doc | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-gdb | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-lldb | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-src | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-aarch64-unknown-none-softfloat | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-aarch64-unknown-uefi | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-i686-pc-windows-gnu | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-wasm32-unknown-unknown | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-wasm32-wasip1 | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-pc-windows-gnu | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-unknown-none | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rust-std-static-x86_64-unknown-uefi | 0:1.96.1-1.hum1 |
| Red Hat hummingbird 1 | rustfmt | 0:1.96.1-1.hum1 |
| Rocky Linux 10 | curl | 0:8.12.1-4.el10_2.6 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Installer Updates 15 SP4 | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Installer Updates 15 SP5 | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Micro 5.3 | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Micro 5.4 | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Micro 5.5 | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | curl | 8.14.1-150700.7.20.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Server 15 SP5-LTSS | curl | 8.14.1-150400.5.86.1 |
| SUSE Linux Enterprise Server 15 SP6-LTSS | curl | 8.14.1-150600.4.46.1 |
| SUSE Linux Enterprise Server 16.0 | curl | 8.14.1-160000.8.1 |
| SUSE Linux Enterprise Server 16.0 | curl-mini | 8.14.1-160000.8.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | curl | 8.14.1-150600.4.46.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | curl | 8.14.1-160000.8.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | curl-mini | 8.14.1-160000.8.1 |
| SUSE Linux Micro 6.0 | curl | 8.14.1-7.1 |
| SUSE Linux Micro 6.1 | curl | 8.14.1-slfo.1.1_8.1 |
| SUSE Linux Micro 6.2 | curl | 8.14.1-160000.8.1 |
| Ubuntu 22.04 LTS | curl | 7.81.0-1ubuntu1.25 |
| Ubuntu 24.04 LTS | curl | 8.5.0-2ubuntu10.10 |
| Ubuntu 25.10 | curl | 8.14.1-2ubuntu1.4 |
| Ubuntu 26.04 LTS | curl | 8.18.0-1ubuntu2.2 |
| Ubuntu Pro 14.04 LTS | curl | 7.35.0-1ubuntu2.20+esm20 |
| Ubuntu Pro 16.04 LTS | curl | 7.47.0-1ubuntu2.19+esm16 |
| Ubuntu Pro 18.04 LTS | curl | 7.58.0-2ubuntu3.24+esm9 |
| Ubuntu Pro 20.04 LTS | curl | 7.68.0-1ubuntu2.25+esm4 |
| openSUSE Leap 16.0 | curl | 8.14.1-160000.8.1 |
| openSUSE Tumbleweed | curl | 8.21.0-1.1 |