| Name | CVE-2026-3784 |
| Description | curl would wrongly reuse an existing HTTP proxy connection doing CONNE ... |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| curl (PTS) | bullseye | 7.74.0-1.3+deb11u13 | vulnerable |
| bullseye (security) | 7.74.0-1.3+deb11u16 | vulnerable |
| bookworm | 7.88.1-10+deb12u14 | vulnerable |
| bookworm (security) | 7.88.1-10+deb12u5 | vulnerable |
| trixie | 8.14.1-2+deb13u2 | vulnerable |
| forky | 8.18.0-2 | vulnerable |
| sid | 8.19.0~rc3-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| curl | source | (unstable) | (unfixed) | | | |
Notes
[trixie] - curl <no-dsa> (Minor issue)
[bookworm] - curl <no-dsa> (Minor issue)
https://curl.se/docs/CVE-2026-3784.html
Introduced with: https://github.com/curl/curl/commit/a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 (curl-7_7_alpha2)
Fixed by: https://github.com/curl/curl/commit/5f13a7645e565c5c1a06f3ef86e97afb856fb364 (curl-8_19_0)