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krb5: krb5: integer underflow in berval2tl_data() leads to heap out-of-bounds read

🗓️ 12 Jun 2026 13:47:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Krb5 integer underflow in berval2tl_data yields heap out-of-bounds read via LDAP krbExtraData.

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Red Hat Hardened Imagesanyaarch64krb5-devel1.22.2-8.hum1krb5-devel-1.22.2-8.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64krb5-devel1.22.2-8.hum1krb5-devel-1.22.2-8.hum1.x86_64.rpm

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20 Jul 2026 17:12Current
6Medium risk
Vulners AI Score6
CVSS 3.15
EPSS0.00261
SSVC
2