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Back to active CVEs
High · CVSS 7.5CVE-2026-80229

OpenSSL provider use-after-freeCVE-2026-80229

Answer in brief

CVE-2026-80229 records a High severity (CVSS 7.5) vulnerability in OpenSSL provider use-after-free. The current sources do not mark it as known exploited. The current feed maps curl/curl (generic), curl/curl (generic), curl/curl (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 6, 2026Updated Sep 15, 2026Source checked Oct 22, 2026First seen by HOL Sep 6, 2026Material review Sep 15, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps curl/curl (generic), curl/curl (generic), curl/curl (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
curl/curlgeneric8.21.0 || 8.20.0 || 8.19.0 || 8.18.0 || 8.17.0 || 8.16.0 || 8.15.0 || 8.14.1 || 8.14.0Not reported
curl/curlgeneric>=8.14.0 <8.14.2 || >=8.15.0 <8.16.1 || >=8.17.0 <8.20.1 || >=8.21.0 <8.22.08.14.2, 8.16.1, 8.20.1, 8.22.0
curl/curlgeneric>=f2ce6c46b9dcc46ced0ce43fa95176ea7599a854 <7ea37abc6ac0120ba5f6d94be8d196f7cf1506bb7ea37abc6ac0120ba5f6d94be8d196f7cf1506bb

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for curl/curl, curl/curl, curl/curl.
  2. 2Review the reported fix. Update curl/curl to 8.14.2; curl/curl to 7ea37abc6ac0120ba5f6d94be8d196f7cf1506bb if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 6, 2026

Sources and claim methodology

  • Source referencecurl.se
  • Source referencecurl.se
  • Source referencehackerone.com
Upstream source description

When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating easy handles. In OpenSSL 3 provider configurations, libcurl attaches an allocated library context to the easy handle's state and passes it to OpenSSL without acquiring an ownership reference; destroying the easy handle prematurely frees this context while the active connection retains a dangling pointer, leading to a heap-use-after-free upon subsequent I/O or post-handshake operations.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-416
Source
CVE List V5
Source checked
Oct 22, 2026
References
3 linked sources
Open source record