01 Record
CVE-2026-121995
Gdb: gdb: stack buffer overflow in parse_tracepoint_definition via stale rs->buf tail
HighPUBLISHEDCNA: redhat
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
02 Description
Gdb: gdb: stack buffer overflow in parse_tracepoint_definition via stale rs->buf tail
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-11-05 16:08Z1 HR AGO
- Last updated
- 2026-11-05 16:08Z1 HR AGO
- Reserved
- 2026-11-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-121Stack-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- 5f77018233fefc8587b841782fdd36e4859bba633a9ed1d5e320594520a366c4
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-121995
- bugzilla.redhat.comRHBZ#2565677https://bugzilla.redhat.com/show_bug.cgi?id=2565677