CVE detail
CVE-2026-39829
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 30.0 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
49 source links · newest first
- CVE-2026-39829 Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/sshMicrosoft MSRC
Information published.
vendormsrc.microsoft.comMay 27, 2026, 8:12 AM - https://access.redhat.com/errata/RHSA-2026:43692access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:43052access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:42796access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:42146access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41055access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41066access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41036access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41031access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41019access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40972access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40945access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40974access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40969access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40262access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40119access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40118access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39829.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comMay 22, 2026, 4:16 AM - https://bugzilla.redhat.com/show_bug.cgi?id=2480681bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/security/cve/CVE-2026-39829access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37387access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37296access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37286access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37278access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37272access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37271access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37268access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37123access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37072access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36883access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36820access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36808access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36797access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36796access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36651access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36648access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36625access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36319access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36207access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36199access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:35833access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:29455access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:26547access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:26546access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://pkg.go.dev/vuln/GO-2026-5018pkg.go.dev
No excerpt available.
Exploitpkg.go.devMay 22, 2026, 4:16 AM - https://groups.google.com/g/golang-announce/c/a082jnz-LvIgroups.google.com
No excerpt available.
Patchgroups.google.comMay 22, 2026, 4:16 AM No excerpt available.
Vendor Advisorygo.devMay 22, 2026, 4:16 AM- https://go.dev/cl/781661go.dev
No excerpt available.
Vendor Advisorygo.devMay 22, 2026, 4:16 AM - https://go.dev/cl/781641go.dev
No excerpt available.
Vendor Advisorygo.devMay 22, 2026, 4:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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