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High, CVSS 7.5

AES OCB fails to encrypt some bytes

CVE-2022-2097GHSA-3wx7-46ch-7rq2

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (openssl-src 300.0.9, 111.22.0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • crates.io openssl-src

    Affected
    >= 300.0.0, < 300.0.9< 111.22.0
    Fixed in
    111.22.0, 300.0.9

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
  • CVE-2022-2097: 4.90% estimated exploitation activity in the next 30 days; percentile 92.10 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimized implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was pre-existing in the memory that wasn't written. In the special case of "in place" encryption, sixteen bytes of the plaintext would be revealed. Since OpenSSL does not support OCB based cipher suites for TLS and DTLS, they are both unaffected.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-3wx7-46ch-7rq2

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2022-2097

Advisory: AES OCB fails to encrypt some bytes
IDs: CVE-2022-2097, GHSA-3wx7-46ch-7rq2
Record: https://patchnext.com/advisories/cve-2022-2097 (revision 1, source checked 26 Oct 2026, 15:38 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: openssl-src 300.0.9, 111.22.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- crates.io openssl-src: affected >= 300.0.0, < 300.0.9; < 111.22.0; fixed in 111.22.0, 300.0.9

## Suggested inspection (read-only)
- crates.io openssl-src: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on openssl-src.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-3wx7-46ch-7rq2 (GitHub-reviewed advisory GHSA-3wx7-46ch-7rq2 lists affected ranges: crates.io openssl-src >=300.0.0 =0 <111.22.0)

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