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Medium, CVSS 5.3amended

Apache Thrift has a Memory Allocation with Excessive Size Value Vulnerability

CVE-2026-43868GHSA-2f9f-gq7v-9h6m

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (thrift 0.23.0; thrift 0.23.0), 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

  • Bitnami thrift

    Affected
    < 0.23.0
    Fixed in
    0.23.0

  • crates.io thrift

    Affected
    < 0.23.0
    Fixed in
    0.23.0

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
  • CVE-2026-43868: 0.71% estimated exploitation activity in the next 30 days; percentile 53.43 (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.

Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 4 · amended ·

    Amended from osv record BIT-thrift-2026-43868

  2. Revision 3 · amended ·

    Amended from osv record RUSTSEC-2026-0435

  3. Revision 2 · amended ·

    Amended from osv record GHSA-2f9f-gq7v-9h6m

  4. Revision 1 · created ·

    Published from ghsa record GHSA-2f9f-gq7v-9h6m

Agent brief

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# Patch Next advisory brief: CVE-2026-43868

Advisory: Apache Thrift has a Memory Allocation with Excessive Size Value Vulnerability
IDs: CVE-2026-43868, GHSA-2f9f-gq7v-9h6m
Record: https://patchnext.com/advisories/cve-2026-43868 (revision 4, source checked 3 Nov 2026, 06:10 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: thrift 0.23.0; thrift 0.23.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Bitnami thrift: affected < 0.23.0; fixed in 0.23.0
- crates.io thrift: affected < 0.23.0; fixed in 0.23.0

## Suggested inspection (read-only)
- Bitnami thrift: check the installed version with your package manager.
- crates.io thrift: 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 thrift.
- 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-2f9f-gq7v-9h6m (GitHub-reviewed advisory GHSA-2f9f-gq7v-9h6m lists affected ranges: crates.io thrift >=0 <0.23.0)
- Verified: https://osv.dev/vulnerability/GHSA-2f9f-gq7v-9h6m (OSV record GHSA-2f9f-gq7v-9h6m lists affected ranges: crates.io thrift >=0 <0.23.0 (fixed))
- Verified: https://osv.dev/vulnerability/RUSTSEC-2026-0435 (OSV record RUSTSEC-2026-0435 lists affected ranges: crates.io thrift >=0.0.0-0 <0.23.0 (fixed))
- Verified: https://osv.dev/vulnerability/BIT-thrift-2026-43868 (OSV record BIT-thrift-2026-43868 lists affected ranges: Bitnami thrift >=0 <0.23.0 (fixed))

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