Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.8%
exploitation probability
0.8%top 48% of all CVEs
observed exploitation
nono source reports it
Allocation of resources without limits or throttling, Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules).
This vulnerability is associated with program files AEADEncDataPacket.Java, BcAEADUtil.Java, JceAEADUtil.Java, OperatorHelper.Java.
This issue affects BC-JAVA: from 1.74 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
Legion of the Bouncy Castle Inc. · BC-JAVAReferences
https://access.redhat.com/errata/RHSA-2026:13631https://access.redhat.com/errata/RHSA-2026:17668https://access.redhat.com/errata/RHSA-2026:18054https://access.redhat.com/errata/RHSA-2026:18055https://access.redhat.com/errata/RHSA-2026:18059https://access.redhat.com/security/cve/CVE-2026-3505https://bugzilla.redhat.com/show_bug.cgi?id=2458638https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3505.json