CVE-2026-6325

highCVSS 7.5covered by 2 sourcesfirst seen 2026-06-09

Out-of-bounds write in SetSuitesHashSigAlgo when processing an oversized signature algorithms list, allowing a write past the bounds of the destination buffer.

CSIRTS triage

Other

What: An out-of-bounds write can occur when processing oversized signature algorithms.
Who is affected: Systems utilizing the affected cryptographic libraries.
Urgency: High urgency due to a CVSS score of 7.5, indicating significant risk.
Action: Apply the latest security updates for the cryptographic libraries.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Advisory coverage (2)

highCVE-2026-6325: Out-of-bounds write in SetSuitesHashSigAlgo when processing an oversized signature algorithms l…nvd · 2026-06-25
highCVE-2026-6325: Out-of-bounds write in SetSuitesHashSigAlgo on oversized signature algorithms listmsrc · 2026-06-09

External references

NVD record for CVE-2026-6325

CVE.org record

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