CVE catalog
CVE-2023-39975
krb5: CVE-2023-39975
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.47% · Oct 25, 2026
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | krb5 | sid | 1.22.1-3 | not affected |
| Debian | krb5 | forky | 1.22.1-3 | not affected |
| Debian | krb5 | trixie | 1.21.3-5+deb13u1 | not affected |
| Debian | krb5 | trixie-security | 1.21.3-5+deb13u1 | not affected |
| Debian | krb5 | bookworm | 1.20.1-2+deb12u5 | not affected |
| Debian | krb5 | bookworm-security | 1.20.1-2+deb12u5 | not affected |
| Opensuse | krb5 | tumbleweed | 1.21.2-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | krb5 | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | krb5 | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | krb5 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | krb5 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Opensuse | krb5 | rpm | tumbleweed | 1.21.2-1.1 | Not reported | OPENSUSE-SU-2024:13527-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_13527-1.json]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:13527-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-39975]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-39975.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2035.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]