Skip to content
Sign in
CVE-2026-559672.0LowCWE-323

CVE-2026-55967: AES-GCM streaming APIs do not reject >64 GiB cumulative single messages, enabling counter wrap and keystream reuse

wolfSSL

Vendor fix available · Affected: wolfSSL · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.2%probability of exploitation in the next 30 days
7th percentile
050100

Higher than 7% of scored CVEs

2.0LowCVSS 4.0
Low

DescriptionCVE.org

AES-GCM encryption/decryption with extremely large cumulative single message sizes (>64 GiB) were not properly rejected by the streaming APIs, allowing counter wrap, keystream reuse, and consequent plaintext recovery.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • wolfSSL · wolfSSLfrom 4.8.0 up to and including 5.9.1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Vendor
wolfSSL
Published
June 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-55967 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

Updated AboutDevelopersSign in