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CERTFR-2026-AVI-1024
Vulnerability from certfr_avis - Published: 2026-08-14 - Updated: 2026-08-14
De multiples vulnérabilités ont été découvertes dans PostgreSQL. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| PostgreSQL | N/A | PostgreSQL versions 16.x antérieures à 16.15 | ||
| PostgreSQL | N/A | PostgreSQL versions 18.x antérieures à 18.6 | ||
| PostgreSQL | N/A | PostgreSQL versions 15.x antérieures à 15.19 | ||
| PostgreSQL | N/A | PostgreSQL versions antérieures à 14.24 | ||
| PostgreSQL | N/A | PostgreSQL versions 17.x antérieures à 17.11 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "PostgreSQL versions 16.x ant\u00e9rieures \u00e0 16.15",
"product": {
"name": "N/A",
"vendor": {
"name": "PostgreSQL",
"scada": false
}
}
},
{
"description": "PostgreSQL versions 18.x ant\u00e9rieures \u00e0 18.6",
"product": {
"name": "N/A",
"vendor": {
"name": "PostgreSQL",
"scada": false
}
}
},
{
"description": "PostgreSQL versions 15.x ant\u00e9rieures \u00e0 15.19",
"product": {
"name": "N/A",
"vendor": {
"name": "PostgreSQL",
"scada": false
}
}
},
{
"description": "PostgreSQL versions ant\u00e9rieures \u00e0 14.24",
"product": {
"name": "N/A",
"vendor": {
"name": "PostgreSQL",
"scada": false
}
}
},
{
"description": "PostgreSQL versions 17.x ant\u00e9rieures \u00e0 17.11",
"product": {
"name": "N/A",
"vendor": {
"name": "PostgreSQL",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-14671",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14671"
},
{
"name": "CVE-2026-16239",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16239"
},
{
"name": "CVE-2026-15742",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15742"
},
{
"name": "CVE-2026-6469",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6469"
},
{
"name": "CVE-2026-14681",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14681"
},
{
"name": "CVE-2026-14668",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14668"
},
{
"name": "CVE-2026-16241",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16241"
},
{
"name": "CVE-2026-18408",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18408"
},
{
"name": "CVE-2026-16238",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16238"
},
{
"name": "CVE-2026-19385",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-19385"
},
{
"name": "CVE-2026-14662",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14662"
},
{
"name": "CVE-2026-6470",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6470"
},
{
"name": "CVE-2026-14669",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14669"
},
{
"name": "CVE-2026-14678",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14678"
},
{
"name": "CVE-2026-15741",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15741"
},
{
"name": "CVE-2026-14677",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14677"
},
{
"name": "CVE-2026-14680",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14680"
},
{
"name": "CVE-2026-14666",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14666"
},
{
"name": "CVE-2026-14673",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14673"
},
{
"name": "CVE-2026-14663",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14663"
},
{
"name": "CVE-2026-14676",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14676"
},
{
"name": "CVE-2026-6464",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6464"
},
{
"name": "CVE-2026-6471",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6471"
},
{
"name": "CVE-2026-14679",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14679"
},
{
"name": "CVE-2026-14672",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14672"
},
{
"name": "CVE-2026-14664",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14664"
},
{
"name": "CVE-2026-14670",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14670"
},
{
"name": "CVE-2026-18024",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18024"
}
],
"initial_release_date": "2026-08-14T00:00:00",
"last_revision_date": "2026-08-14T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1024",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-08-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Injection SQL (SQLi)"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans PostgreSQL. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans PostgreSQL",
"vendor_advisories": [
{
"published_at": "2026-08-13",
"title": "Bulletin de s\u00e9curit\u00e9 PostgreSQL postgresql-186-1711-1615-1519-1424-and-19-beta-3-released-3365",
"url": "https://www.postgresql.org/about/news/postgresql-186-1711-1615-1519-1424-and-19-beta-3-released-3365/"
}
]
}
CVE-2026-14662 (GCVE-0-2026-14662)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-14 03:55
VLAI
EPSS
VEX
Title
PostgreSQL tsvector and tsquery undersize allocations, via integer wraparound
Summary
Integer wraparound in PostgreSQL tsvector and tsquery data type functions allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds, via crafted large inputs. This may execute arbitrary code as the operating system user running the database. These types are typically sourced from application logic, not taken from the application's user. Hence, application users attacking the database, through the application as a conduit, are unlikely. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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CVE-2026-14663 (GCVE-0-2026-14663)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-13 15:34
VLAI
EPSS
VEX
Title
PostgreSQL pgcrypto, for OpenSSL-disabled ciphers, silently encrypts to and decrypts from cleartext
Summary
Cleartext storage in PostgreSQL pgcrypto disabled ciphers allows a user to recover cleartext, via direct observation of the faulty ciphertext. The OpenSSL version and OpenSSL configuration determine the disabled ciphers. If the application accepts encrypted data as input, decryption will succeed even with the wrong key. This in turn loses the modest protection from the Modification Detection Code (MDC). Affected functions are pgp_sym_encrypt, pgp_sym_decrypt, pgp_pub_encrypt, pgp_pub_decrypt, pgp_sym_encrypt_bytea, pgp_sym_decrypt_bytea, pgp_pub_encrypt_bytea, and pgp_pub_decrypt_bytea. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:55 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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CVE-2026-14664 (GCVE-0-2026-14664)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-14 03:55
VLAI
EPSS
VEX
Title
PostgreSQL regexp heap buffer overflow executes arbitrary code
Summary
Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating system user running the database, via text that would not pass encoding validation. This shares heritage with CVE-2026-2006, but this case involved unanticipated data growth when round-tripped through pg_wchar. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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CVE-2026-14666 (GCVE-0-2026-14666)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-13 15:34
VLAI
EPSS
VEX
Title
PostgreSQL row security caching disregards role modifications
Summary
Incomplete tracking in PostgreSQL of changes to role membership, role attributes, and database ownership allows a query to continue using cached row-level security policies after those changes require a different policy, via plan reuse. Stale policies continue until some other event invalidates the cache or connection termination ends the session. This permits a user to complete reads and modifications that were recently permitted but now forbidden. An attacker must tailor an attack to a particular application's pattern of privilege removal and role-specific row security policies. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
4.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:53 UTC
CWE
- CWE-1250 - Improper Preservation of Consistency Between Independent Representations of Shared State
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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CVE-2026-14668 (GCVE-0-2026-14668)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-13 15:35
VLAI
EPSS
VEX
Title
PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read
Summary
Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:53 UTC
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
1 reference
Impacted products
1 product
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|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
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CVE-2026-14669 (GCVE-0-2026-14669)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-14 03:55
VLAI
EPSS
VEX
Title
PostgreSQL to_char heap buffer overflow executes arbitrary code
Summary
Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
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CVE-2026-14670 (GCVE-0-2026-14670)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-14 03:55
VLAI
EPSS
VEX
Title
PostgreSQL plperl tied object heap buffer overflow executes arbitrary code
Summary
Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
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CVE-2026-14671 (GCVE-0-2026-14671)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-14 03:55
VLAI
EPSS
VEX
Title
PostgreSQL refint plan cache type confusion executes arbitrary code
Summary
Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject "refint: Remove plan cache.", without a CVE number. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 00:00 UTC
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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CVE-2026-14672 (GCVE-0-2026-14672)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-13 15:35
VLAI
EPSS
VEX
Title
PostgreSQL observable response discrepancy with non-default scram_iterations provides user existence oracle
Summary
Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scram_iterations count, because the authentication challenge for a nonexistent user reports the default scram_iterations. Within major versions 16-18, minor versions before PostgreSQL 18.5, 17.11, and 16.15 are affected. Versions before PostgreSQL 16 are unaffected.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:47 UTC
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 17 , < 17.11 (rpm) Affected: 16 , < 16.15 (rpm) |
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CVE-2026-14673 (GCVE-0-2026-14673)
Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-13 15:36
VLAI
EPSS
VEX
Title
PostgreSQL amcheck does not clear untrusted search path
Summary
Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck function. Within major versions 18, 16, 15, and 14, minor versions before PostgreSQL 18.5, 16.15, 15.19, and 14.24 are affected. PostgreSQL 17 is unaffected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:42 UTC
CWE
- CWE-426 - Untrusted Search Path
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
18 , < 18.5
(rpm)
Affected: 16 , < 16.15 (rpm) Affected: 15 , < 15.19 (rpm) Affected: 0 , < 14.24 (rpm) |
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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