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CVE-2005-1689

34
FAUCET Score

CVE-2005-1689 is a critical double free vulnerability in the krb5_recvauth function of MIT Kerberos 5 (krb5) versions 1.4.1 and earlier, impacting products from Apple, Debian, and MIT. With a CVSS score of 9.8, it allows unauthenticated remote attackers to execute arbitrary code with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV entry, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
< 10.4.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
< 10.4.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
11.01%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1101 is in the 91st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: krb5-0:1.2.7-47
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: krb5-0:1.3.4-17
View patch

Vendor Advisories (1)

redhatCVE-2005-1689Critical

security flaw

Jul 12, 2005

References

patches.sgi.com / support/free/security/advisories/20050703-01-U.asc
Broken Link
distro.conectiva.com.br / atualizacoes
Broken Link
lists.apple.com / archives/security-announce/2005/Aug/msg00000.html
Mailing List
lists.apple.com / archives/security-announce/2005//Aug/msg00001.html
Mailing List
marc.info
Mailing ListPatch
secunia.com / advisories/16041
Broken LinkVendor Advisory
secunia.com / advisories/17135
Broken LinkVendor Advisory
secunia.com / advisories/17899
Broken LinkVendor Advisory
secunia.com / advisories/22090
Broken LinkVendor Advisory
securitytracker.com / id
Broken LinkThird Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/21055
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9819
Broken Link
sunsolve.sun.com / search/document.do
Broken Link
usn.ubuntu.com / 224-1
Broken Link
web.mit.edu / kerberos/advisories/MITKRB5-SA-2005-003-recvauth.txt
PatchVendor Advisory
debian.org / security/2005/dsa-757
Mailing ListPatch
gentoo.org / security/en/glsa/glsa-200507-11.xml
Third Party Advisory
kb.cert.org / vuls/id/623332
PatchThird Party AdvisoryUS Government Resource
novell.com / linux/security/advisories/2005_17_sr.html
Broken Link
redhat.com / support/errata/RHSA-2005-562.html
Broken Link
redhat.com / support/errata/RHSA-2005-567.html
Broken Link
securityfocus.com / archive/1/446940/100/0/threaded
Broken LinkThird Party AdvisoryVDB Entry
securityfocus.com / bid/14239
Broken LinkThird Party AdvisoryVDB Entry
trustix.org / errata/2005/0036
Broken Link
turbolinux.com / security/2005/TLSA-2005-78.txt
Broken Link
vupen.com / english/advisories/2005/1066
Broken Link
vupen.com / english/advisories/2006/3776
Broken Link