Out-of-bounds Read Affecting cargo-c-debuginfo package, versions <0:0.10.21-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.25% (17th percentile)

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  • Snyk IDSNYK-AMZN2023-CARGOCDEBUGINFO-18911725
  • published18 Aug 2026
  • disclosed24 Jul 2026

Introduced: 24 Jul 2026

NewCVE-2026-66034  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 cargo-c-debuginfo to version 0:0.10.21-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-2064.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cargo-c-debuginfo package and not the cargo-c-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2_publickey_list_fetch(), the version 1 response parser reads a server-controlled comment_len value and advances the parse pointer without verifying sufficient bytes remain in the buffer, causing the out-of-bounds read to leak heap pointers from adjacent allocations defeating ASLR, followed by heap allocator state corruption when the error cleanup path frees an uninitialized pointer from a non-zeroed realloc() region.

CVSS Base Scores

version 3.1