A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer.
Metrics
Affected Vendors & Products
References
History
Thu, 05 Nov 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Red Hat
Red Hat enterprise Linux Redhat hardened Images |
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| Vendors & Products |
Red Hat
Red Hat enterprise Linux Redhat hardened Images |
Thu, 05 Nov 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer. | |
| Title | Gdb: gdb: stack buffer overflow in parse_tracepoint_definition via stale rs->buf tail | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat rhel Els |
|
| Weaknesses | CWE-121 | |
| CPEs | cpe:/a:redhat:enterprise_linux:10 cpe:/a:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:9 cpe:/a:redhat:hummingbird:1 cpe:/o:redhat:rhel_els:6 cpe:/o:redhat:rhel_els:7 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat rhel Els |
|
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published: 2026-11-05T16:08:49.660Z
Updated: 2026-11-05T16:08:49.660Z
Reserved: 2026-11-04T13:28:12.839Z
Link: CVE-2026-121995
No data.
Status : Awaiting Analysis
Published: 2026-11-05T17:18:00.690
Modified: 2026-11-05T17:18:00.820
Link: CVE-2026-121995
No data.
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