CVE catalog
CVE-2016-0755
curl: CVE-2016-0755
- Severity
- High · CVSS 7.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 9.08% · Oct 25, 2026
The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | curl | sid | 8.23.0-1 | fixed |
| Debian | curl | forky | 8.22.0-1 | fixed |
| Debian | curl | trixie | 8.14.1-2+deb13u5 | fixed |
| Debian | curl | trixie-security | 8.14.1-2+deb13u7 | fixed |
| Debian | curl | bookworm | 7.88.1-10+deb12u15 | fixed |
| Debian | curl | bookworm-security | 7.88.1-10+deb12u5 | fixed |
| Ubuntu | curl | 14.04 | 7.32.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.33.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.34.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.2 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.3 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.5 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.6 | fixed |
| Ubuntu | curl | 14.04 | 7.32.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.33.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.34.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.1 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.2 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.3 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.5 | vulnerable |
| Ubuntu | curl | 14.04 | 7.35.0-1ubuntu2.6 | fixed |
| Suse | curl | linux enterprise desktop 12 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise desktop 12 sp1 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise software development kit 12 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise software development kit 12 sp1 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise server 12 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise server for sap applications 12 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise server 12 sp1 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise server for sap applications 12 sp1 | 7.37.0-18.1 | fixed |
| Suse | curl | linux enterprise software development kit 11 sp3 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise software development kit 11 sp4 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise desktop 11 sp3 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise desktop 11 sp4 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise server 11 sp3 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise server 11 sp3-teradata | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise server for sap applications 11 sp3 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise server 11 sp4 | 7.19.7-1.46.1 | fixed |
| Suse | curl | linux enterprise server for sap applications 11 sp4 | 7.19.7-1.46.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | curl | source | sid | 7.47.0-1 | not yet assigned | Not reported | Not reported |
| Debian | curl | source | forky | 7.47.0-1 | not yet assigned | Not reported | Not reported |
| Debian | curl | source | trixie | 7.47.0-1 | not yet assigned | Not reported | Not reported |
| Debian | curl | source | bookworm | 7.47.0-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | curl | deb | 14.04 | 7.35.0-1ubuntu2.6 | Not reported | UBUNTU-CVE-2016-0755 | Not reported |
| Ubuntu | curl | deb | 14.04 | 7.35.0-1ubuntu2.6 | Not reported | USN-2882-1 | Not reported |
| Suse | curl | rpm | linux enterprise desktop 12 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise desktop 12 sp1 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise software development kit 12 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise software development kit 12 sp1 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise server 12 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise server for sap applications 12 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise server 12 sp1 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise server for sap applications 12 sp1 | 7.37.0-18.1 | Not reported | SUSE-SU-2016:0340-1 | Not reported |
| Suse | curl | rpm | linux enterprise software development kit 11 sp3 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise software development kit 11 sp4 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise desktop 11 sp3 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise desktop 11 sp4 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise server 11 sp3 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise server 11 sp3-teradata | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise server for sap applications 11 sp3 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise server 11 sp4 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
| Suse | curl | rpm | linux enterprise server for sap applications 11 sp4 | 7.19.7-1.46.1 | Not reported | SUSE-SU-2016:0347-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [curl]Unknown
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl3-gnutls]Unknown
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl3-nss]Unknown
Source package: [curl]
Details (4)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4]Unknown
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-doc]Unknown
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· all · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· all · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· all · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· all · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· all · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· all · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-gnutls-dev]Unknown
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-nss-dev]Unknown
Source package: [curl]
Details (4)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-openssl-dev]Unknown
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · bookworm; dsa · curl · debian · 12
[Debian 13 (Trixie)]
- [curl]Unknown
Details (5)
8.14.1-2+deb13u4· amd64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl3t64-gnutls]Unknown
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl4-doc]Unknown
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· all · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· all · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· all · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· all · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· all · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl4-gnutls]Unknown
Source package: [curl]
Details (2)
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl4-gnutls-dev]Unknown
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl4-openssl-dev]Unknown
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
- [libcurl4t64]Unknown
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityFixed · Fixed:
7.47.0-1dsa · curl · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2016_0340-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2016-0755]
- [https://osv.dev/vulnerability/DSA-3455-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:0340-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:0347-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2016-0755]
- [https://osv.dev/vulnerability/USN-2882-1]
- [https://security-tracker.debian.org/tracker/CVE-2016-0755]
- [https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-0755.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]