add security notes for stellar-core v28.0.0 release - #5442
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Pull request overview
Adds security notes for six fixes shipped in Stellar Core v28.0.0 and v28.0.1.
Changes:
- Documents Overlay resource-consumption protections.
- Records Ledger validation safeguards.
- Notes Herder fee-overflow hardening.
Suppressed comments (1)
docs/software/security-protocol-release-notes.md:73
- This also discloses v28.0.0 security issues before the document's required 30-day delay (
docs/software/security-protocol-release-notes.md:39). The release was published on 2026-08-13, so this section should not be merged before 2026-09-12.
## v28.0.0 (2026-08-13)
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Suppressed comments (1)
docs/software/security-protocol-release-notes.md:62
- This section discloses security issues before the document's 30-day waiting period has elapsed. Line 39 requires waiting 30 days after the fixing release; for the 2026-08-13 release, that is 2026-09-12, while this review is dated 2026-09-01. Please delay merging this section until September 12 or remove it for now.
## v28.0.0 (2026-08-13)
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anupsdf
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Sep 1, 2026
| # List of releases | ||
|
|
||
| ## v28.0.0 (2026-08-13) | ||
| * `Overlay` - security - Strengthen flow control and peer request processing limits to prevent excessive resource consumption. |
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anupsdf
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Sep 1, 2026
| * `Overlay` - security - Strengthen flow control and peer request processing limits to prevent excessive resource consumption. | ||
| * exploited: no | ||
| * mitigation: code fix | ||
| * `Ledger` - security - Enforce transaction signature verification limits throughout transaction validation. |
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anupsdf
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Sep 1, 2026
| * `Ledger` - security - Enforce transaction signature verification limits throughout transaction validation. | ||
| * exploited: no | ||
| * mitigation: code fix | ||
| * `Ledger` - security - Ensure consistent validation of transaction XDR across protocol versions. |
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what
Add security notes for stellar-core v28.0.0 release.