GHSA-cp6g-7hqx-qxhpPublished

Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enables application crash or information leak

Exploitation and risk

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cve-program · CVE-2026-2303

Published

The mongo-go-driver repository contains CGo bindings for GSSAPI (Kerberos) authentication on Linux and macOS. The C wrapper implementation contains a heap out-of-bounds read vulnerability due to incorrect assumptions about string termination in the GSSAPI standard. Since GSSAPI buffers are not guaranteed to be null-terminated or have extra padding, this results in reading one byte past the allocated heap buffer.

Source published: 10 Feb 2026 19:03:06 UTC
Source modified: 11 Feb 2026 15:16:15 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1 · 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

euvd · EUVD-2026-7065

Published

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Feb 10, 2026, 7:03:06 PM

dateUpdated: Feb 11, 2026, 3:16:15 PM

14 related source bulletins · separate from aliases

WID-SEC-W-2026-0386: MongoDB Server, Go Driver, Ruby Driver: Mehrere Schwachstellen

CVE-2026-1847 · CVE-2026-1848 · CVE-2026-1849 · CVE-2026-1850 · CVE-2026-25609 · CVE-2026-25610 · CVE-2026-25611 · CVE-2026-25612 · CVE-2026-25613 · CVE-2026-2302 · CVE-2026-2303

SUSE-SU-2026:24148-1: Security update for alloy

CVE-2026-2303 · CVE-2026-37236 · CVE-2026-41178 · CVE-2026-45679 · CVE-2026-45680 · CVE-2026-45681 · CVE-2026-45683 · CVE-2026-45684 · CVE-2026-46600 · CVE-2026-48496 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-56855 · CVE-2026-71556 · CVE-2026-71557 · CVE-2026-75889 · CVE-2026-78662 · CVE-2026-81521 · CVE-2026-89090

openSUSE-SU-2026:22125-1: Security update for grafana

CVE-2026-1229 · CVE-2026-14199 · CVE-2026-17033 · CVE-2026-17183 · CVE-2026-19197 · CVE-2026-19475 · CVE-2026-21723 · CVE-2026-2303 · CVE-2026-33814 · CVE-2026-39882 · CVE-2026-41178 · CVE-2026-41606 · CVE-2026-42127 · CVE-2026-56852 · CVE-2026-73501 · CVE-2026-8609 · CVE-2026-9029

openSUSE-SU-2026:22027-1: Security update for golang-github-prometheus-alertmanager

CVE-2026-2303 · CVE-2026-39821

SUSE-RU-2026:2815-1: Recommended update for apptainer

CVE-2026-2303

openSUSE-SU-2026:12058-1: golang-github-prometheus-alertmanager-0.34.1-2.1 on GA media

CVE-2026-2303

openSUSE-SU-2026:22032-1: Security update for alloy

SUSE-SU-2026:4600-1: Security update for grafana, system-user-grafana

openSUSE-SU-2026:21276-1: Security update for apptainer

CVE-2026-2303

openSUSE-SU-2026:11803-1: alloy-1.19.2-1.1 on GA media

CVE-2026-2303 · CVE-2026-37236 · CVE-2026-41178 · CVE-2026-45679 · CVE-2026-45680 · CVE-2026-45681 · CVE-2026-45683 · CVE-2026-45684 · CVE-2026-46600 · CVE-2026-48496 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-71556 · CVE-2026-71557 · CVE-2026-75889 · CVE-2026-75890 · CVE-2026-81521 · CVE-2026-89090

openSUSE-SU-2026:11684-1: grafana-12.4.10-1.1 on GA media

CVE-2026-14199 · CVE-2026-17033 · CVE-2026-17183 · CVE-2026-19197 · CVE-2026-19475 · CVE-2026-2303 · CVE-2026-41178 · CVE-2026-56852 · CVE-2026-73501

SUSE-SU-2026:4585-1: Security update 5.2.1 for Multi-Linux Manager Client Tools

CVE-2023-45289 · CVE-2024-22195 · CVE-2025-13836 · CVE-2025-4673 · CVE-2025-61686 · CVE-2026-0864 · CVE-2026-11940 · CVE-2026-11972 · CVE-2026-1229 · CVE-2026-13346 · CVE-2026-14199 · CVE-2026-1502 · CVE-2026-15308 · CVE-2026-1703 · CVE-2026-17033 · CVE-2026-17183 · CVE-2026-19197 · CVE-2026-19475 · CVE-2026-21723 · CVE-2026-2303 · CVE-2026-27459 · CVE-2026-3219 · CVE-2026-3276 · CVE-2026-33814 · CVE-2026-3446 · CVE-2026-3479 · CVE-2026-39821 · CVE-2026-39882 · CVE-2026-40181 · CVE-2026-40475 · CVE-2026-41066 · CVE-2026-41178 · CVE-2026-41606 · CVE-2026-42127 · CVE-2026-42211 · CVE-2026-42342 · CVE-2026-4360 · CVE-2026-44431 · CVE-2026-44990 · CVE-2026-45409 · CVE-2026-4786 · CVE-2026-49825 · CVE-2026-49853 · CVE-2026-49854 · CVE-2026-49855 · CVE-2026-53606 · CVE-2026-56852 · CVE-2026-6019 · CVE-2026-6100 · CVE-2026-6357 · CVE-2026-7210 · CVE-2026-73501 · CVE-2026-7774 · CVE-2026-8328 · CVE-2026-8595 · CVE-2026-8609 · CVE-2026-8643 · CVE-2026-9029

SUSE-SU-2026:4606-1: Security update for golang-github-prometheus-prometheus

CVE-2023-45289 · CVE-2025-4673 · CVE-2025-61686 · CVE-2026-2303 · CVE-2026-39821 · CVE-2026-40181 · CVE-2026-42211 · CVE-2026-42342 · CVE-2026-44990 · CVE-2026-53606 · CVE-2026-56852

openSUSE-SU-2026:11197-1: apptainer-1.5.1-3.1 on GA media

CVE-2026-2303

Source published: Feb 10, 2026, 7:03:06 PM (timezone not stated)
Source modified: Feb 11, 2026, 3:16:15 PM (timezone not stated)
Saved here: 15 Nov 2026 12:09:06 UTC
Source terms: ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 4.0 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

nvd · CVE-2026-2303

Published

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-183

Original publisher date fields

published: 2026-02-10T20:17:00.757

lastModified: 2026-06-17T10:30:45.163

Source published: 10 Feb 2026 20:17:00 UTC
Source modified: 17 Jun 2026 10:30:45 UTC
Saved here: 25 Oct 2026 05:17:36 UTC
Source terms: NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · [email protected] · Secondary · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS 3.1 · [email protected] · Secondary · 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

osv · GHSA-cp6g-7hqx-qxhp

Published

Source published: 10 Feb 2026 21:31:31 UTC
Source modified: 10 Sep 2026 03:50:59 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS_V4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Publisher rating · MODERATE

osv · GO-2026-5327

Published

Mongo-go-driver: Heap Out-of-Bounds Read in GSSAPI Error Handling in go.mongodb.org/mongo-driver

Source published: 24 Jul 2026 18:35:55 UTC
Source modified: 18 Aug 2026 16:27:02 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: OSV · upstream source license applies

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.