CVE-2011-2192

medium
Published 2011-07-07 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
4.3

Description

The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

fedora Fedora Affected 2 releases
VersionStatusFixed in
15 Affected โ€”
14 Affected โ€”
macos macOS Affected 1 release
VersionStatusFixed in
โ€” Affected 10.7.3
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
11.04 Affected โ€”
10.10 Affected โ€”
10.04 Affected โ€”
8.04 Affected โ€”
debian Debian Mixed 8 releases
VersionStatusFixed in
trixie Fixed 7.21.6-2
sid Fixed 7.21.6-2
forky Fixed 7.21.6-2
bullseye Fixed 7.21.6-2
bookworm Fixed 7.21.6-2
7.0 Affected โ€”
6.0 Affected โ€”
5.0 Affected โ€”

Application impact

VendorProductVersionsFixed
haxxlibcurl{"startIncluding":"7.10.6","endIncluding":"7.21.6"}

References

CWEs

CWE-255

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.