CVE-2026-33816
CVE-2026-33816 in github.com/jackc/pgx
9.8 CriticalFix available
Memory-safety vulnerability in github.com/jackc/pgx/v5.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.58%Up 0.6 points since Apr 8, 2026
What each source reports
CVE List Score used
CVE-2026-33816 in github.com/jackc/pgx
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-19709
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
EUVD-2026-19709- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9jj7-4m8r-rfcm
Memory-safety vulnerability in github.com/jackc/pgx/v5.
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
GHSA-9jj7-4m8r-rfcm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
CVE-2026-33816 in github.com/jackc/pgx
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-33816
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
DEBIAN-CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 12 moreShow less
OSVGHSA-9jj7-4m8r-rfcm
Memory-safety vulnerability in github.com/jackc/pgx/v5.
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
GHSA-9jj7-4m8r-rfcm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVRHSA-2026:13907
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- Record
RHSA-2026:13907- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
OSVRHSA-2026:19137
Red Hat Security Advisory: go-fdo-server security update
- Record
RHSA-2026:19137- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
OSVRHSA-2026:36796
Red Hat Security Advisory: Red Hat Edge Manager Version 1.0.3 Security Update
- Record
RHSA-2026:36796- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2026:41019
Red Hat Security Advisory: Red Hat Edge Manager Version 1.1.3 Security Update
- Record
RHSA-2026:41019- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRLSA-2026:19137
Important: go-fdo-server security update
This package provides a server-side implementation of the FIDO Device Onboard (FDO) specification, written in Go. FDO is an open standard for the late binding of device credentials, allowing for automated and secure on-boarding of devices when they are first powered on in their final location.
Security Fix(es):
-
github.com/jackc/pgx/v5: github.com/jackc/pgx: Memory-safety vulnerability (CVE-2026-33816)
-
crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Record
RLSA-2026:19137- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
OSVROOT-APP-GOBINARY-CVE-2026-33816
CVE-2026-33816 in github.com/jackc/pgx/v5 - Patched by Root
Root has patched CVE-2026-33816 in the github.com/jackc/pgx/v5 package for Root:Go. Multiple fixed versions available.
- Record
ROOT-APP-GOBINARY-CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-33816
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
UBUNTU-CVE-2026-33816- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.3 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
OSVALSA-2026:19137 No score
Important: go-fdo-server security update
This package provides a server-side implementation of the FIDO Device Onboard (FDO) specification, written in Go. FDO is an open standard for the late binding of device credentials, allowing for automated and secure on-boarding of devices when they are first powered on in their final location.
Security Fix(es):
- github.com/jackc/pgx/v5: github.com/jackc/pgx: Memory-safety vulnerability (CVE-2026-33816)
- crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Record
ALSA-2026:19137- Updated
- 2026-11-02
OSVGO-2026-4772 No score
CVE-2026-33816 in github.com/jackc/pgx
Memory-safety vulnerability in github.com/jackc/pgx/v5.
- Record
GO-2026-4772- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:10754-1 No score
kubectl-cnpg-1.29.1-1.1 on GA media
These are all security issues fixed in the kubectl-cnpg-1.29.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:10754-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:21483-1 No score
Security update for govulncheck-vulndb
This update for govulncheck-vulndb fixes the following issues:
- Update to version 0.0.20260723T184607 2026-07-23T18:46:07Z (jsc#PED-11136).
Go CVE Numbering Authority IDs added or updated with aliases:
- GO-2026-4730 CVE-2026-33022 GHSA-cv4x-93xx-wgfj
- GO-2026-4761 CVE-2026-33211 GHSA-j5q5-j9gm-2w5c
- GO-2026-5102 CVE-2026-45021 GHSA-3vcp-chfh-f6r2
- GO-2026-5272 CVE-2026-40938 GHSA-94jr-7pqp-xhcq
- GO-2026-5486 CVE-2026-40924 GHSA-m2cx-gpqf-qf74
- GO-2026-5542 CVE-2026-40090 GHSA-pj97-4p9w-gx3q
- GO-2026-5630 CVE-2026-25542 GHSA-rmx9-2pp3-xhcr
- GO-2026-5643 CVE-2026-40923 GHSA-rx35-6rhx-7858
- GO-2026-5675 CVE-2026-41492 GHSA-vvf7-6rmr-m29q
- GO-2026-5711 CVE-2026-40161 GHSA-wjxp-xrpv-xpff
- GO-2026-5746 CVE-2026-41567 GHSA-x86f-5xw2-fm2r
- GO-2026-5749 CVE-2026-41328 GHSA-x92x-px7w-4gx4
- GO-2026-5837 CVE-2026-44840 GHSA-q2m9-6jp9-c6mc
- GO-2026-5929 CVE-2026-44342 GHSA-26v7-h57m-gh9m
- GO-2026-5930 CVE-2026-33655 GHSA-6qcr-qxgr-m7fv
- GO-2026-5933 GHSA-3g4q-2f67-2gvh
- GO-2026-5934 GHSA-59qp-cfj3-rp64
- GO-2026-5935 GHSA-7856-g3gv-9wq8
- GO-2026-5936 CVE-2026-53552 GHSA-26rh-24rg-j3vv
- GO-2026-5937 CVE-2026-53508 GHSA-2jcc-mxv7-p3f9
- GO-2026-5938 CVE-2026-53553 GHSA-4g5x-hcwm-82jw
- GO-2026-5939 CVE-2026-10517 GHSA-698x-9w2p-7vvp
- GO-2026-5940 CVE-2026-53572 GHSA-6w3m-4hhp-775q
- GO-2026-5941 CVE-2026-53487 GHSA-gvhc-wv3v-7pf8
- GO-2026-5942 CVE-2026-46600
- GO-2026-5944 CVE-2026-50197 GHSA-659f-rgp5-w4wf
- GO-2026-5945 CVE-2026-6815 GHSA-rmxx-v9rj-vpvg
- GO-2026-5946 CVE-2026-52831 GHSA-v5px-423j-pf7p
- GO-2026-5947 CVE-2026-53649 GHSA-xqhv-chqm-fhcc
- GO-2026-5948 CVE-2026-50554 GHSA-588f-fvcv-xhvf
- GO-2026-5949 CVE-2026-50553 GHSA-rqrh-8wpv-x7hh
- GO-2026-5950 CVE-2026-53602 GHSA-339v-266x-79xr
- GO-2026-5951 CVE-2026-10219 GHSA-6jm8-4fhr-5w64
- GO-2026-5952 CVE-2026-49834 GHSA-9vcr-p3rj-q5q6
- GO-2026-5953 CVE-2026-9094 GHSA-c9w5-qp6m-m395
- GO-2026-5956 CVE-2026-55252 GHSA-h5g6-xmh4-hc37
- GO-2026-5957 CVE-2026-54158 GHSA-5xfx-xj4h-5p7r
- GO-2026-5958 CVE-2026-54068 GHSA-gcm7-57gf-953c
- GO-2026-5959 CVE-2026-54072 GHSA-h29v-hj44-q8cv
- GO-2026-5961 CVE-2026-54069 GHSA-hvr9-72v2-fff3
- GO-2026-5962 CVE-2026-54088 GHSA-m93h-4hw7-5qcm
- GO-2026-5963 CVE-2026-54067 GHSA-mvjr-vv3c-w4qv
- GO-2026-5964 CVE-2026-54066 GHSA-p4m3-mgmm-c664
- GO-2026-5965 CVE-2026-54070 GHSA-w7cg-whh7-xp28
- GO-2026-5966 CVE-2026-54089 GHSA-xqp3-jq6g-x3qm
- GO-2026-5967 CVE-2026-50551 GHSA-56mp-4f3v-fgj2
- GO-2026-5968 CVE-2026-54174 GHSA-fpg8-7664-jc5q
- GO-2026-5969 GHSA-g936-7jqj-mwv8
- GO-2026-5970 CVE-2026-56852
- GO-2026-5973 CVE-2026-54250 GHSA-jxr7-mqhw-9p98
- GO-2026-5974 CVE-2026-44300 GHSA-wmj8-9953-vff5
- GO-2026-5975 CVE-2026-50018 GHSA-42j2-w334-qxw7
- GO-2026-5976 CVE-2026-50141 GHSA-g7mm-9vx7-jm7h
- GO-2026-5977 CVE-2026-50013 GHSA-qrh4-p6v4-mrfg
- GO-2026-5978 CVE-2026-50125 GHSA-qw5r-ppcg-f8rj
- GO-2026-5979 CVE-2026-50006 GHSA-xrcf-6jh3-ggvx
- GO-2026-5980 CVE-2026-50158 GHSA-2c7f-fxww-6w6c
- GO-2026-5981 GHSA-mqxv-9rm6-w8qc
- GO-2026-5982 GHSA-pqg7-v6wh-3pfp
- GO-2026-5984 CVE-2026-53604 GHSA-2p2f-px33-4vv5
- GO-2026-5985 GHSA-7rx3-5wx3-5v76
- GO-2026-5986 CVE-2026-61699 GHSA-cm26-5974-52h8
- GO-2026-5987 CVE-2026-55513 GHSA-g4x6-jcvr-9m3g
- GO-2026-5988 CVE-2026-54628 GHSA-hwrq-8wxh-q4xv
- GO-2026-5989 CVE-2026-55512 GHSA-m3cx-mwpg-32jg
- GO-2026-5990 CVE-2026-54629 GHSA-mf78-3rpf-r784
- GO-2026-5991 CVE-2026-53603 GHSA-q4vm-pq3q-8wgq
- GO-2026-5992 CVE-2026-61549 GHSA-qf34-295c-26v8
- GO-2026-5996 CVE-2026-54450 GHSA-pph6-vfjv-vpjw
- GO-2026-5997 CVE-2026-54452 GHSA-xgch-x3mx-cm3c
- GO-2026-5998 CVE-2026-54495 GHSA-398h-7f66-3h4p
- GO-2026-5999 CVE-2026-10814 GHSA-jh6h-v6mp-h22v
- GO-2026-6002 CVE-2026-58196 GHSA-pr64-jmmf-jp54
- GO-2026-6003 CVE-2026-53714 GHSA-22xc-xg2r-9j7v
- GO-2026-6004 CVE-2026-52833 GHSA-3v79-m2cg-89ww
- GO-2026-6005 CVE-2026-53715 GHSA-8fv2-88gg-hm7q
- GO-2026-6006 CVE-2026-53716 GHSA-cxpq-8v7q-cg56 *…
- Record
openSUSE-SU-2026:21483-1- Updated
- 2026-11-02
Affected products
- jackc pgx
- github.com/jackc/pgx/v5 github.com/jackc/pgx/v5/pgproto3
- red hat cryostat 4 on rhel 9
- red hat custom metric autoscaler 2.19
- red hat custom metric autoscaler operator for red hat openshift
- red hat multicluster engine for kubernetes
- red hat multicluster global hub
- red hat multicluster global hub 1.3.4
- red hat multicluster global hub 1.7.0
- red hat openshift pipelines
- red hat 3scale api management platform 2
- red hat advanced cluster management for kubernetes 2.15
Show 20 moreShow less
- red hat advanced cluster management for kubernetes 2.16
- red hat advanced cluster security 4
- red hat advanced cluster security 4.8
- red hat advanced cluster security 4.9
- red hat advanced cluster security for kubernetes 4.10
- red hat edge manager 1
- red hat edge manager 1.1
- red hat enterprise linux 10
- red hat hardened images
- red hat openshift ai (rhoai)
- red hat openshift data foundation 4.20
- red hat openshift pipelines 1.21
- red hat quay 3
- red hat trusted artifact signer
- red hat trusted artifact signer 1.3
- red hat rhem 1.0 for rhel 9
- red hat rhem 1.1 for rhel 10
- red hat rhem 1.1 for rhel 9
- red hat zero trust workload identity manager
- red hat zero trust workload identity manager - tech preview
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/jackc/pgx/v5Go |
before 5.9.0 | 5.9.0 |
go-fdo-serverAlmaLinux:10 From an advisory covering 2 CVEs |
before 1.0.1-1.el10_2 | 1.0.1-1.el10_2 |
go-fdo-server-manufacturerAlmaLinux:10 From an advisory covering 2 CVEs |
before 1.0.1-1.el10_2 | 1.0.1-1.el10_2 |
go-fdo-server-ownerAlmaLinux:10 From an advisory covering 2 CVEs |
before 1.0.1-1.el10_2 | 1.0.1-1.el10_2 |
go-fdo-server-rendezvousAlmaLinux:10 From an advisory covering 2 CVEs |
before 1.0.1-1.el10_2 | 1.0.1-1.el10_2 |
golang-github-jackc-pgx-v5Debian:14 |
before 5.9.2-1, plus listed versions 5.8.0-1 |
5.9.2-1 |
go-fdo-serverRed Hat:hummingbird:1 |
before 0:1.0.1-0.1.hum1 | 0:1.0.1-0.1.hum1 |
go-fdo-server-manufacturerRed Hat:hummingbird:1 |
before 0:1.0.1-0.1.hum1 | 0:1.0.1-0.1.hum1 |
go-fdo-server-ownerRed Hat:hummingbird:1 |
before 0:1.0.1-0.1.hum1 | 0:1.0.1-0.1.hum1 |
go-fdo-server-rendezvousRed Hat:hummingbird:1 |
before 0:1.0.1-0.1.hum1 | 0:1.0.1-0.1.hum1 |
Show 23 moreShow less
| Package | Affected | Fixed |
|---|---|---|
go-fdo-serverRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
go-fdo-server-debuginfoRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
go-fdo-server-debugsourceRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
go-fdo-server-manufacturerRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
go-fdo-server-ownerRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
go-fdo-server-rendezvousRed Hat:enterprise_linux:10.2 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
flightctlRed Hat:edge_manager:1.0::el9 From an advisory covering 23 CVEs |
before 0:1.0.3-1.el9em | 0:1.0.3-1.el9em |
flightctl-agentRed Hat:edge_manager:1.0::el9 From an advisory covering 23 CVEs |
before 0:1.0.3-1.el9em | 0:1.0.3-1.el9em |
flightctl-cliRed Hat:edge_manager:1.0::el9 From an advisory covering 23 CVEs |
before 0:1.0.3-1.el9em | 0:1.0.3-1.el9em |
flightctl-selinuxRed Hat:edge_manager:1.0::el9 From an advisory covering 23 CVEs |
before 0:1.0.3-1.el9em | 0:1.0.3-1.el9em |
flightctlRed Hat:edge_manager:1.1::el10 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el10em | 0:1.1.3-1.el10em |
flightctl-agentRed Hat:edge_manager:1.1::el10 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el10em | 0:1.1.3-1.el10em |
flightctl-cliRed Hat:edge_manager:1.1::el10 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el10em | 0:1.1.3-1.el10em |
flightctlRed Hat:edge_manager:1.1::el9 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el9em | 0:1.1.3-1.el9em |
flightctl-agentRed Hat:edge_manager:1.1::el9 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el9em | 0:1.1.3-1.el9em |
flightctl-cliRed Hat:edge_manager:1.1::el9 From an advisory covering 22 CVEs |
before 0:1.1.3-1.el9em | 0:1.1.3-1.el9em |
go-fdo-serverRocky Linux:10 From an advisory covering 2 CVEs |
before 0:1.0.1-1.el10_2 | 0:1.0.1-1.el10_2 |
github.com/jackc/pgx/v5Root:Go |
before v5.5.5-aikido.2 | v5.5.5-aikido.2v5.7.5-aikido.1 |
rootio-github.com/jackc/pgx/v5Root:Go |
before v5.5.5-root.io.1 | v5.5.5-root.io.1v5.5.5-root.io.2v5.7.5-root.io.1 |
golang-github-jackc-pgx-v5Ubuntu:26.10 |
All versions, plus listed versions 5.8.0-15.9.2-1 |
None known |
golang-github-jackc-pgx-v5Ubuntu:26.04:LTS |
All versions, plus listed versions 5.8.0-1 |
None known |
kubectl-cnpgopenSUSE:Tumbleweed |
before 1.29.1-1.1 | 1.29.1-1.1 |
govulncheck-vulndbopenSUSE:Leap 16.0 From an advisory covering 1734 CVEs |
before 0.0.20260723T184607-160000.1.1 | 0.0.20260723T184607-160000.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-33816 is a critical vulnerability (CVSS 9.8) in Jackc Pgx, published April 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. Fixed in github.com/jackc/pgx/v5 5.9.0.
References
pkg.go.dev/vuln/GO-2026-4772
access.redhat.com/security/cve/CVE-2026-33816
bugzilla.redhat.com/show_bug.cgi?id=2455972
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33816.json
Show 194 moreShow less
nvd.nist.gov/vuln/detail/CVE-2026-33816
github.com/advisories/GHSA-9jj7-4m8r-rfcm
errata.almalinux.org/10/ALSA-2026-19137.html
security-tracker.debian.org/tracker/CVE-2026-33816
images.redhat.com
cve.org/CVERecord?id=CVE-2026-33816
go.dev/cl/763767
groups.google.com/g/golang-announce/c/0uYbvbPZRWU
docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/managing_device_fleets_with_the_red_hat_edge_manager/assembly-edge-manager-intro
errata.rockylinux.org/RLSA-2026:19137
ubuntu.com/security/CVE-2026-33816
suse.com/security/cve/CVE-2026-33816
This page doesn't list everything
Left out here: 1,739 references and the rest of 1 source description. The JSON record has them.