CVE-2022-42898

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 cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."

• CWE-190
• CWE-190

• https://bugzilla.samba.org/show_bug.cgi?id=15203Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3cThird Party Advisory
• https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583Patch, Third Party Advisory
• https://security.gentoo.org/glsa/202309-06
• https://security.gentoo.org/glsa/202310-06
• https://security.netapp.com/advisory/ntap-20230216-0008/
• https://security.netapp.com/advisory/ntap-20230223-0001/
• https://web.mit.edu/kerberos/advisories/Vendor Advisory
• https://web.mit.edu/kerberos/krb5-1.19/Release Notes, Vendor Advisory
• https://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txtVendor Advisory
• https://www.samba.org/samba/security/CVE-2022-42898.htmlThird Party Advisory
• https://bugzilla.samba.org/show_bug.cgi?id=15203Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3cThird Party Advisory
• https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583Patch, Third Party Advisory
• https://security.gentoo.org/glsa/202309-06
• https://security.gentoo.org/glsa/202310-06
• https://security.netapp.com/advisory/ntap-20230216-0008/
• https://security.netapp.com/advisory/ntap-20230223-0001/
• https://web.mit.edu/kerberos/advisories/Vendor Advisory
• https://web.mit.edu/kerberos/krb5-1.19/Release Notes, Vendor Advisory
• https://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txtVendor Advisory
• https://www.samba.org/samba/security/CVE-2022-42898.htmlThird Party Advisory

Published

Dec 25, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2022-42892A vulnerability has been identified in syngo Dynamics (All v…5.3
• CVE-2022-42893A vulnerability has been identified in syngo Dynamics (All v…7.5
• CVE-2022-42894A vulnerability has been identified in syngo Dynamics (All v…7.5
• CVE-2022-42895There is an infoleak vulnerability in the Linux kernel's net…6.5
• CVE-2022-42896There are use-after-free vulnerabilities in the Linux kernel…8.8
• CVE-2022-42897Array Networks AG/vxAG with ArrayOS AG before 9.4.0.469 allo…9.8
• CVE-2022-42899Bentley MicroStation and MicroStation-based applications may…7.8
• CVE-2022-4290The Cyr to Lat plugin for WordPress is vulnerable to authent…8.8
• CVE-2022-42900Bentley MicroStation and MicroStation-based applications may…7.8
• CVE-2022-42901Bentley MicroStation and MicroStation-based applications may…7.8
• CVE-2022-42902In Linaro Automated Validation Architecture (LAVA) before 20…8.8
• CVE-2022-42903Zoho ManageEngine SupportCenter Plus through 11024 allows lo…3.3