rpm package
almalinux/krb5-devel
pkg:rpm/almalinux/krb5-devel
Vulnerabilities (14)
| CVE | Sev | CVSS | KEV | Affected versions | Fixed in | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2026-40356 | Med | 5.9 | < 1.18.2-34.el8_10 | 1.18.2-34.el8_10 | Apr 28, 2026 | In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possib | |
| CVE-2026-40355 | Med | 5.9 | < 1.18.2-34.el8_10 | 1.18.2-34.el8_10 | Apr 28, 2026 | In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate | |
| CVE-2025-24528 | Hig | 7.1 | < 1.18.2-31.el8_10 | 1.18.2-31.el8_10 | Jan 16, 2026 | In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash. | |
| CVE-2025-3576 | Med | 5.9 | < 1.18.2-32.el8_10 | 1.18.2-32.el8_10 | Apr 15, 2025 | A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integri | |
| CVE-2024-3596 | Cri | 9.0 | < 1.18.2-30.el8_10 | 1.18.2-30.el8_10 | Jul 9, 2024 | RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature. | |
| CVE-2024-37371 | Cri | 9.1 | < 1.18.2-29.el8_10 | 1.18.2-29.el8_10 | Jun 28, 2024 | In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields. | |
| CVE-2024-37370 | Hig | 7.5 | < 1.18.2-29.el8_10 | 1.18.2-29.el8_10 | Jun 28, 2024 | In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application. | |
| CVE-2024-26462 | — | < 1.21.1-3.el9 | 1.21.1-3.el9 | Feb 26, 2024 | Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c. | ||
| CVE-2024-26461 | — | < 1.18.2-27.el8_10 | 1.18.2-27.el8_10 | Feb 26, 2024 | Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. | ||
| CVE-2024-26458 | — | < 1.18.2-27.el8_10 | 1.18.2-27.el8_10 | Feb 26, 2024 | Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. | ||
| CVE-2023-39975 | — | < 1.21.1-1.el9 | 1.21.1-1.el9 | Aug 16, 2023 | 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. | ||
| CVE-2023-36054 | — | < 1.21.1-1.el9 | 1.21.1-1.el9 | Aug 7, 2023 | lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_ | ||
| CVE-2022-42898 | — | < 1.19.1-24.el9_1 | 1.19.1-24.el9_1 | Dec 25, 2022 | PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cau | ||
| CVE-2020-17049 | — | < 1.20.1-8.el9 | 1.20.1-8.el9 | Nov 11, 2020 | A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tam |
- affected < 1.18.2-34.el8_10fixed 1.18.2-34.el8_10
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possib
- affected < 1.18.2-34.el8_10fixed 1.18.2-34.el8_10
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate
- affected < 1.18.2-31.el8_10fixed 1.18.2-31.el8_10
In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
- affected < 1.18.2-32.el8_10fixed 1.18.2-32.el8_10
A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integri
- affected < 1.18.2-30.el8_10fixed 1.18.2-30.el8_10
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature.
- affected < 1.18.2-29.el8_10fixed 1.18.2-29.el8_10
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.
- affected < 1.18.2-29.el8_10fixed 1.18.2-29.el8_10
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.
- CVE-2024-26462Feb 26, 2024affected < 1.21.1-3.el9fixed 1.21.1-3.el9
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.
- CVE-2024-26461Feb 26, 2024affected < 1.18.2-27.el8_10fixed 1.18.2-27.el8_10
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.
- CVE-2024-26458Feb 26, 2024affected < 1.18.2-27.el8_10fixed 1.18.2-27.el8_10
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.
- CVE-2023-39975Aug 16, 2023affected < 1.21.1-1.el9fixed 1.21.1-1.el9
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.
- CVE-2023-36054Aug 7, 2023affected < 1.21.1-1.el9fixed 1.21.1-1.el9
lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_
- CVE-2022-42898Dec 25, 2022affected < 1.19.1-24.el9_1fixed 1.19.1-24.el9_1
PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cau
- CVE-2020-17049Nov 11, 2020affected < 1.20.1-8.el9fixed 1.20.1-8.el9
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tam