`CVE-2022-41946` postgresql JDBC Driver

Affected software	postgresql JDBC Driver
Severity	5.5 Medium CVSS 3.1 2 scores
Fixed in	`42.2.27`, `42.3.8`, `42.4.3`, `42.5.1`
Weakness	Information exposure (CWE-200)
Published	23 Nov 2022
Updated	17 Jun 2026

Description

pgjdbc is an open source postgresql JDBC Driver. In affected versions a prepared statement using either PreparedStatement.setText(int, InputStream) or PreparedStatemet.setBytea(int, InputStream) will create a temporary file if the InputStream is larger than 2k. This will create a temporary file which is readable by other users on Unix like systems, but not MacOS. On Unix like systems, the system's temporary directory is shared between all users on that system. Because of this, when files and directories are written into this directory they are, by default, readable by other users on that same system. This vulnerability does not allow other users to overwrite the contents of these directories or files. This is purely an information disclosure vulnerability. Because certain JDK file system APIs were only added in JDK 1.7, this this fix is dependent upon the version of the JDK you are using. Java 1.7 and higher users: this vulnerability is fixed in 4.5.0. Java 1.6 and lower users: no patch is available. If you are unable to patch, or are stuck running on Java 1.6, specifying the java.io.tmpdir system environment variable to a directory that is exclusively owned by the executing user will mitigate this vulnerability.

CWE-377CWE-668

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 3 years ago.

CISA KEV not listed
VulnCheck KEV not listed
CISA Vulnrichment no assessment published
Indexed PoC none indexed
EPSS 0.55% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: pgjdbc/pgjdbc 9008dc9.

Protection none
Action unverified
Review automated Upstream data
Record active

Decided by	Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory
Finding	This CVE is MEDIUM severity, is not listed in CISA KEV or VulnCheck KEV, has no public exploit or PoC in any indexed source, carries no CISA Vulnrichment finding of a demonstrated exploit, and is not part of an Oracle Critical Patch Update. None of the signals that would put it in front of an engineer is present, and the volume of CVEs below that bar is too great to take one at a time, so no rule is written for it. This is a decision about what we act on, not a finding that the CVE is harmless — a patch may well be derivable, and a low-severity defect can still be one link in a longer chain.
Candidate fix	https://github.com/pgjdbc/pgjdbc/commit/9008dc9aade6dbfe4efafcd6872ebc55f4699cf5 : a commit: the change itself

Decided by

Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory

Finding

This CVE is MEDIUM severity, is not listed in CISA KEV or VulnCheck KEV, has no public exploit or PoC in any indexed source, carries no CISA Vulnrichment finding of a demonstrated exploit, and is not part of an Oracle Critical Patch Update. None of the signals that would put it in front of an engineer is present, and the volume of CVEs below that bar is too great to take one at a time, so no rule is written for it. This is a decision about what we act on, not a finding that the CVE is harmless — a patch may well be derivable, and a low-severity defect can still be one link in a longer chain.

Candidate fix

https://github.com/pgjdbc/pgjdbc/commit/9008dc9aade6dbfe4efafcd6872ebc55f4699cf5 : a commit: the change itself

CVSS

5.5 MEDIUM v3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

Version Score Band Vector Assigner Type

CVSS 3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N NVD Primary published

CVSS 3.1 4.7 MEDIUM CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N security-advisories@github.com Secondary

Version	Score	Band	Vector	Assigner	Type
CVSS 3.1	5.5	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`	NVD	Primary	published
CVSS 3.1	4.7	MEDIUM	`CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N`	security-advisories@github.com	Secondary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev

Package Introduced Fixed Last affected

org.postgresql:postgresql 42.2.0 42.2.27 unbounded

org.postgresql:postgresql 42.3.0 42.3.8 unbounded

org.postgresql:postgresql 42.4.0 42.4.3 unbounded

org.postgresql:postgresql 42.5.0 42.5.1 unbounded

Package	Introduced	Fixed	Last affected
`org.postgresql:postgresql`	42.2.0	`42.2.27`	unbounded
`org.postgresql:postgresql`	42.3.0	`42.3.8`	unbounded
`org.postgresql:postgresql`	42.4.0	`42.4.3`	unbounded
`org.postgresql:postgresql`	42.5.0	`42.5.1`	unbounded

Products and versions

3 products, 10 version entries

Source	Vendor	Product	Scheme	Affected versions
nvd	debian	debian linux	generic	10.0
osv	org.postgresql	postgresql	generic	≥ 42.2.0 and ＜ 42.2.27 · ≥ 42.3.0 and ＜ 42.3.8 · ≥ 42.4.0 and ＜ 42.4.3 · ≥ 42.5.0 and ＜ 42.5.1
nvd	postgresql	postgresql jdbc driver	generic	≥ 42.2.0 and ＜ 42.2.27 · ≥ 42.3.0 and ＜ 42.3.8 · ≥ 42.4.0 and ＜ 42.4.3 · 42.5.0 · 42.5.0:rc1

Source

Vendor

Product

Scheme

Affected versions

nvd

debian

debian linux

generic

10.0

osv

org.postgresql

postgresql

generic

≥ 42.2.0 and ＜ 42.2.27 · ≥ 42.3.0 and ＜ 42.3.8 · ≥ 42.4.0 and ＜ 42.4.3 · ≥ 42.5.0 and ＜ 42.5.1

nvd

postgresql

postgresql jdbc driver

generic

≥ 42.2.0 and ＜ 42.2.27 · ≥ 42.3.0 and ＜ 42.3.8 · ≥ 42.4.0 and ＜ 42.4.3 · 42.5.0 · 42.5.0:rc1

References

URL	Tags
https://github.com/pgjdbc/pgjdbc/commit/9008dc9aade6dbfe4efafcd6872ebc55f4699cf5	commit
https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-562r-vg33-8x8h	WEB
https://github.com/pgjdbc/pgjdbc	PACKAGE
https://lists.debian.org/debian-lts-announce/2022/12/msg00003.html	WEB
https://lists.debian.org/debian-lts-announce/2024/12/msg00017.html	WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25TY2L3RMVNOC7VAHJEAO7PTT6M6JJAD	WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/25TY2L3RMVNOC7VAHJEAO7PTT6M6JJAD	WEB
https://security.netapp.com/advisory/ntap-20240329-0003	WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25TY2L3RMVNOC7VAHJEAO7PTT6M6JJAD/
https://security.netapp.com/advisory/ntap-20240329-0003/

URL

Timeline

Published	2022-11-23	By the CVE Program.
NVD record modified	2026-06-17	NVD's own last-modified date for this record.

Published

2022-11-23

By the CVE Program.

NVD record modified

2026-06-17

NVD's own last-modified date for this record.

How VRT decided (17 of 24 rules ran)

17 of 24 rules ran. The rest didn't run because an earlier rule had already settled the CVE.

# Rule Outcome Status Detail

identity: Does this identifier describe a vulnerability at all? the first rule that matches decides

1 rejected no match CVE Program withdrawal of this identifier

scope: Is it a vulnerability Waratek protects? the first rule that matches decides

2 armr-patch-file no match An ARMR patch file on disk for this CVE

3 armr-secure-rule-file no match An ARMR security-rule template on disk for this CVE

4 manual-classification no match A researcher's recorded decision for this specific CVE

5 manual classification no match Manual classification of this CVE in the legacy dataset

6 non-java-upstream no match A root cause in non-Java code: an OS kernel, a C library, or a bundled runtime

7 oracle-component no match The defect being in a component of a tracked product the agent does not reach: JavaFX, the Java SE installer, the JInitiator browser plug-in, the native WebLogic proxy plug-in, or a native part of Oracle Application Server or Collaboration Suite (HTTP Server, Web Cache, Internet Directory, mail and calendar servers). Oracle gives these no CPE of their own and names them only in the description.

8 java-client-side no match Oracle's own risk-matrix note saying the CVE is reached only through untrusted code in the Java sandbox (applets, Web Start) or only through a client installation of Java, so a server running its own trusted code is not exposed

9 osv-maven matched In scope Maven packages: org.postgresql:postgresql

10 cna-maven-package not reached An affected Maven artifact named by the CNA itself

11 known-cpe-product not reached An NVD CPE naming a product ARMR tracks

12 cna-cpe-product not reached A CPE the CNA published naming a tracked product. Oracle publishes these on advisory day, months before NVD.

13 oracle-advisory-family not reached A tracked product family named in Oracle's own risk matrix. CPE cannot carry a suite name, only a module.

14 cna-named-product not reached A tracked product named in words by the CVE's own CNA, on a record with no CPE yet. Apache and Eclipse publish these on advisory day, before NVD adds CPE data.

15 non-deployable-product not reached The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached

16 unmatched-product not reached No tracked product matched above, and none present at all

disposition: What do we do about one that is? every rule runs

17 patch-hint matched Mitigation candidate References include candidate fix URL (commit tier): https://github.com/pgjdbc/pgjdbc/commit/9008dc9aade6dbfe4efafcd6872ebc55f4699cf5

18 open-source-maven skipped The affected package being open source on Maven, so the fix can be read

19 poc-derivable skipped An indexed exploit clearing the evidence bar to reverse-engineer, where there is no source to read

20 no-exploit skipped Nothing to build a rule from yet: no published exploit, no CISA record of exploitation and no source-level change to read

21 secure-rule-match no match A vulnerability class already blocked by an ARMR security rule

22 exploited-no-fix-or-poc skipped Somebody exploiting this CVE (a CISA or VulnCheck KEV listing, or a CISA verdict of active exploitation), with no fix, source code or PoC to build a rule from

23 below-action-threshold decided it matched No exploit published MEDIUM severity, no CISA or VulnCheck KEV listing, no public PoC clearing the evidence bar, no CISA exploitation finding, and not in an Oracle advisory — none of the signals we act on is present.

24 no-exploit-published skipped Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all

Products the scope rules checked

The products this CVE's record names, and whether VRT tracks each one. The scope rules decided on these.

Vendor Product Tracked CPE Source

postgresql postgresql_jdbc_driver tracked cpe:2.3:a:postgresql:postgresql_jdbc_driver:*:*:*:*:*:*:*:* yaml

debian debian_linux not tracked cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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