🛡️ CVE-2019-25001 — serde-cbor

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-787 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Out of bounds write in serde_cbor

Affected versions of this crate did not properly check if semantic tags were nested excessively during deserialization. This allows an attacker to craft small (< 1 kB) CBOR documents that cause a stack overflow. The flaw was corrected by limiting the allowed number of nested tags.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2019-25001 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2019-25001 is recorded against 1 package.

  • serde-cbor

Timeline and source

Published on 25 August 2021 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
rustsec.org (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-787
Public Exploit ✅ No
Source OSV
Published 2021-08-25
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
serde-cbor — —

Similar Threats

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