CVE-2017-11462: fedoraproject fedora Double Free
CVSS: 9.8v3.0CriticalModified
AliasesSUSE-SU-2017:2659-1UBUNTU-CVE-2017-11462DEBIAN-CVE-2017-11462
Published 13-09-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-11462 is a critical (CVSS 9.8) Double Free vulnerability in fedoraproject fedora. EPSS estimates a 5.48% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
5.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 13-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
5.48%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.48% on 18-09-2026
18-09-202618-10-2026
EPSS score5.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse9 products
- krb5&distro=SUSE Linux Enterprise Desktop 12 SP2< 1.12.5-40.13.1
- krb5&distro=SUSE Linux Enterprise Desktop 12 SP3< 1.12.5-40.13.1
- krb5&distro=SUSE Linux Enterprise Server 12 SP2< 1.12.5-40.13.1
- krb5&distro=SUSE Linux Enterprise Server 12 SP3< 1.12.5-40.13.1
- krb5&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2< 1.12.5-40.13.1
Debian1 product
- krb5< 1.15.2-1
Fedoraproject1 product
- fedoraEOL25 | 26
Mit1 product
- kerberos_51.14 | 1.14:alpha1 | 1.14:beta1 | 1.14:beta2 | 1.14.1 | 1.14.2 | 1.14.3 | 1.14.4 | 1.14.5 | 1.15 | 1.15.1 | 1.15.1:beta1 | 1.15.1:beta2
Ubuntu1 product
- krb5< 1.12+dfsg-2ubuntu5.4 | < 1.13.2+dfsg-5ubuntu2.1
5 vendors · 13 products
References
13 links- github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cfX Refsource CONFIRMPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1488873X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryVDB Entry
- bugzilla.suse.com/903543REPORT
