pageant: Out-of-bounds read / oversized allocation in `pageant` MemoryMap::read via a malicious Pageant agent (Windows)

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-102820 · Microsoft / collected KEV context

EUVD-2026-89203

GHSA-g4mp-vgx3-xrvm

cve-program · CVE-2026-102820

• https://github.com/Eugeny/russh/security/advisories/GHSA-g4mp-vgx3-xrvm
• https://github.com/Eugeny/russh/commit/5d566989ebabfdebfe6b33243d31765a0812260b
• https://github.com/Eugeny/russh/releases/tag/v0.63.2

euvd · EUVD-2026-89203

• https://github.com/Eugeny/russh/security/advisories/GHSA-g4mp-vgx3-xrvm
• https://github.com/Eugeny/russh/commit/5d566989ebabfdebfe6b33243d31765a0812260b
• https://github.com/Eugeny/russh/releases/tag/v0.63.2

nvd · CVE-2026-102820

• https://github.com/Eugeny/russh/commit/5d566989ebabfdebfe6b33243d31765a0812260b
• https://github.com/Eugeny/russh/releases/tag/v0.63.2
• https://github.com/Eugeny/russh/security/advisories/GHSA-g4mp-vgx3-xrvm

osv · GHSA-g4mp-vgx3-xrvm

• https://github.com/Eugeny/russh/security/advisories/GHSA-g4mp-vgx3-xrvm
• https://nvd.nist.gov/vuln/detail/CVE-2026-102820
• https://github.com/Eugeny/russh/commit/5d566989ebabfdebfe6b33243d31765a0812260b
• https://github.com/Eugeny/russh
• https://github.com/Eugeny/russh/releases/tag/v0.63.2

No related operational record is retained in the current change model.