Description
Buffer overflow in the RPC library used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.4 through 1.6.3 allows remote attackers to execute arbitrary code by triggering a large number of open file descriptors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | krb5 | 1.6.dfsg.3~beta1-4 | — |
| Debian 13 | krb5 | 1.6.dfsg.3~beta1-4 | — |
| Debian 12 | krb5 | 1.6.dfsg.3~beta1-4 | — |
| Debian 4.0 | krb5 | 1.4.4-7etch5 | DSA-1524-1 |
| Debian 3.1 | krb5 | 1.3.6-2sarge6 | DSA-1524-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | krb5 +4 | 1.6.1-17.el5_1.1 | RHSA-2008:0164 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | krb5 | 1.19.2-2.2 | openSUSE-SU-2024:10899-1 |
Advisories 3
- RHSA-2008:0164 Red Hat Security Advisory: krb5 security and bugfix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1524-1 krb5 - multiple vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10899-1 krb5-1.19.2-2.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 3752 third-party-advisory
- TA08-079B third-party-advisory
- 29457 third-party-advisory
- MDVSA-2008:069 vendor-advisory
- 20080318 MITKRB5-SA-2008-002: array overrun in RPC library used by kadmin (resend, corrected subject) mailing-list
- 29464 third-party-advisory
- 28302 vdb-entry
- FEDORA-2008-2637 vendor-advisory
- http://wiki.rpath.com/Advisories:rPSA-2008-0112
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
- SSRT100495 vendor-advisory
- 29451 third-party-advisory
- 29663 third-party-advisory
- FEDORA-2008-2647 vendor-advisory
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0112
- 29438 third-party-advisory
- RHSA-2008:0164 vendor-advisory
- MDVSA-2008:070 vendor-advisory
- ADV-2008-0922 vdb-entry
- 29435 third-party-advisory
- oval:org.mitre.oval:def:10984 vdb-entry signature
- 20080319 rPSA-2008-0112-1 krb5 krb5-server krb5-services krb5-test krb5-workstation mailing-list
- 29428 third-party-advisory
- DSA-1524 vendor-advisory
- 20080318 MITKRB5-SA-2008-001: double-free, uninitialized data vulnerabilities in krb5kdc mailing-list
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
- SUSE-SA:2008:016 vendor-advisory
- 29516 third-party-advisory
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt
- 29462 third-party-advisory
- 29424 third-party-advisory
- 1019631 vdb-entry
- USN-587-1 vendor-advisory
- ADV-2008-1102 vdb-entry
- GLSA-200803-31 vendor-advisory
- VU#374121 third-party-advisory
- krb5-rpclibrary-bo(41273) vdb-entry