CVE catalog
CVE-2026-39824
NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string
- Severity
- Low · CVSS 3.3
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.11% · Oct 25, 2026
NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-golang-x-sys | sid | 0.49.0+dfsg-1 | not affected |
| Debian | golang-golang-x-sys | forky | 0.49.0+dfsg-1 | not affected |
| Debian | golang-golang-x-sys | trixie | 0.22.0-1 | not affected |
| Debian | golang-golang-x-sys | bookworm | 0.3.0-1 | not affected |
| Go | golang.org/x/sys | Not reported | 0.44.0 | fixed |
| Opensuse | keybase-client | leap 16.0 | 6.6.3-bp160.2.1 | fixed |
| Opensuse | keybase-client | tumbleweed | 6.6.3-3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-golang-x-sys | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-golang-x-sys | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-golang-x-sys | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-golang-x-sys | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Go | golang.org/x/sys | Go | Not reported | 0.44.0 | Not reported | Not reported | Not reported |
| Opensuse | keybase-client | rpm | leap 16.0 | 6.6.3-bp160.2.1 | Not reported | OPENSUSE-SU-2026:21492-1 | Not reported |
| Opensuse | keybase-client | rpm | tumbleweed | 6.6.3-3.1 | Not reported | OPENSUSE-SU-2026:11306-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [kbfs]Unknown
Source package: [keybase-client]
Details (1)
6.6.3-3.2· x86_64 · tumbleweedUnknown · Fixed:
6.6.3-3.1Version impact unknown
nvd · keybase-client · opensuse · tumbleweed
- [kbfs-git]Unknown
Source package: [keybase-client]
Details (1)
6.6.3-3.2· x86_64 · tumbleweedUnknown · Fixed:
6.6.3-3.1Version impact unknown
nvd · keybase-client · opensuse · tumbleweed
- [kbfs-tool]Unknown
Source package: [keybase-client]
Details (1)
6.6.3-3.2· x86_64 · tumbleweedUnknown · Fixed:
6.6.3-3.1Version impact unknown
nvd · keybase-client · opensuse · tumbleweed
- [keybase-client]Fixed
Source package: [keybase-client]
Details (1)
6.6.3-3.2· x86_64 · tumbleweedFixed · Fixed:
6.6.3-3.1nvd · keybase-client · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [golang-golang-x-sys-dev]Not affected
Source package: [golang-golang-x-sys]
Details (4)
0.3.0-1· all · bookwormNot affected
nvd · golang-golang-x-sys · debian · bookworm
0.3.0-1· all · bookwormNot affected
nvd · golang-golang-x-sys · debian · bookworm
0.22.0-1~bpo12+1· all · bookworm-backportsNot affected
nvd · golang-golang-x-sys · debian · bookworm
0.22.0-1~bpo12+1· all · bookworm-backportsNot affected
nvd · golang-golang-x-sys · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11306-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-39824]
- [https://osv.dev/vulnerability/GO-2026-5024]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11306-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21471-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21492-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-39824]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1669.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]