rPGP Potential Resource Exhaustion when handling Untrusted Messages
Priority LOW 39CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-770.
Summary
rPGP is a pure Rust implementation of OpenPGP. Prior to 0.14.1, rPGP allows attackers to trigger resource exhaustion vulnerabilities in rpgp by providing crafted messages. This affects general message parsing and decryption with symmetric keys.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00467 40th percentileScored 2026-11-07
Fix Fixed rpgp (rpgp): 0.14.1pgp (crates.io): 0.14.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| rpgp | rpgp | before 0.14.1 | 0.14.1 | Patch available | CNA |
| — | pgp (crates.io) | before 0.14.2 | 0.14.2 | Patch available | GHSA-4grw-m28r-q285 |
- rpgp Vendorrpgp Affected before 0.14.1 Fixed in 0.14.1 Patch available CNA
- pgp (crates.io) Vendor— Affected before 0.14.2 Fixed in 0.14.2 Patch available GHSA-4grw-m28r-q285
Remediation
- Fix · CNA rpgp (rpgp) Fixed in 0.14.1
- Fix · GHSA-4grw-m28r-q285 pgp (crates.io) Fixed in 0.14.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-53857
- 2026-10-03 Alias added: GHSA-4grw-m28r-q285
References
More rpgp vulnerabilities
- TI-2024-36049 rPGP Panics on Malformed Untrusted Input CVSS 3.1HIGH 7.5
Sources
- CVE-2024-53857 · CVE Program
- CVE-2024-53857 · NVD
- FIRST EPSS
- GHSA-4grw-m28r-q285 · GitHub Advisory Database · CC BY 4.0
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