CVE-2017-11462
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
Description
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
Predictions
Exploit likelihood
97%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 26 | Affected | — |
| 25 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1.15.2-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.15.2-1 |
| sid | Fixed | 1.15.2-1 |
| forky | Fixed | 1.15.2-1 |
| bullseye | Fixed | 1.15.2-1 |
| bookworm | Fixed | 1.15.2-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mit | kerberos_5 | 1.14 | |
| mit | kerberos_5 | 1.14.1 | |
| mit | kerberos_5 | 1.14.2 | |
| mit | kerberos_5 | 1.14.3 | |
| mit | kerberos_5 | 1.14.4 | |
| mit | kerberos_5 | 1.14.5 | |
| mit | kerberos_5 | 1.15 | |
| mit | kerberos_5 | 1.15.1 | |
References
- https://security.archlinux.org/ASA-201710-9
- https://security.archlinux.org/ASA-201710-8
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
- https://bugzilla.redhat.com/show_bug.cgi?id=1488873
- https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/
- https://www.suse.com/security/cve/CVE-2017-11462.html
- https://security-tracker.debian.org/tracker/CVE-2017-11462
CWEs
CWE-415
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.