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CVE record · CVE-2023-38545

Out-of-bounds write in curl

CVSS 8.8 HighCriticalEPSS 0.79 · 99th percentile

Critical, because:

  • CVSS score 8.8 (7.0 or more) and EPSS 0.79 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: hackerone) at 18 Oct 2023, 03:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
curl curl
  • affected 8.4.0 to before 8.4.0 semver
  • unaffected 7.69.0 to before 7.69.0 semver
Identifiers
CVE-2023-38545
CNA
hackerone
Weakness (CWE)
CWE-787
Tags
Published
18 Oct 2023
Updated
14 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.79, the 99th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Oct 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.