| Name | CVE-2025-11563 |
| Description | URLs containing percent-encoded slashes (`/` or `\`) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool. |
| 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 | fixed |
| bullseye (security) | 7.74.0-1.3+deb11u16 | fixed |
| bookworm | 7.88.1-10+deb12u14 | fixed |
| bookworm (security) | 7.88.1-10+deb12u5 | fixed |
| trixie | 8.14.1-2+deb13u2 | fixed |
| forky | 8.18.0-2 | fixed |
| sid | 8.19.0~rc3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| curl | source | bullseye | (not affected) | | | |
| curl | source | bookworm | (not affected) | | | |
| curl | source | trixie | 8.14.1-2+deb13u2 | | | |
| curl | source | (unstable) | 8.17.0-2 | | | |
Notes
[bookworm] - curl <not-affected> (Vulnerable code not present)
[bullseye] - curl <not-affected> (Vulnerable code not present)
Introduced with: https://github.com/curl/wcurl/commit/e01d578582a23695ee3cec08a2bff29d61a0bfb4 (v2024.12.08)
Fixed by: https://github.com/curl/wcurl/commit/524f7e733237cd26553dfd76adda521d3150d852 (v2025.11.04)
Introduced with: https://github.com/curl/curl/commit/23bed347b38922779382599f8b72c4d762add7bd (curl-8_14_0)
Fixed by: https://github.com/curl/curl/commit/fb0c014e30e5f4de7aa0d566c52c836a6423da29 (rc-8_17_0-3)
Included in Debian since 8.8.0-2
https://curl.se/docs/CVE-2025-11563.html
Followup for incomplete fix: https://github.com/curl/wcurl/pull/75