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CVE-2026-3805 (GCVE-0-2026-3805)

Vulnerability from cvelistv5 – Published: 2026-03-11 10:09 – Updated: 2026-09-15 06:02
VLAI
Title
use after free in SMB connection reuse
Summary
When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 15:45 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
curl curl Affected: 8.13.0 , < 8.14.2 (semver)
Affected: 8.15.0 , < 8.16.1 (semver)
Affected: 8.17.0 , < 8.19.0 (semver)
guessed Create a notification for this product.
curl curl Affected: f4831daa9b2a97e8a2921d6b62cc4dfdd0d8646e , < e090be9f73a7a71459ef678c7cc4b1f75e3ea883 (git)
guessed Create a notification for this product.
curl curl Affected: 8.18.0
Affected: 8.17.0
Affected: 8.16.0
Affected: 8.15.0
Affected: 8.14.1
Affected: 8.14.0
Affected: 8.13.0
guessed Create a notification for this product.
Credits
Daniel Wade Stefan Eissing
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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