01 Record
CVE-2026-121925
Buffer overflow in SAML authentication post-back URL handling in libsnowflakeclient and Snowflake PHP PDO Driver
MediumPUBLISHEDCNA: SNOWFLAKE
CNA base score6.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
02 Description
Buffer overflow in SAML authentication post-back URL handling in libsnowflakeclient and Snowflake PHP PDO Driver
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
- 2026-11-04 11:28Z1 HR AGO
- Last updated
- 2026-11-04 11:28Z1 HR AGO
- Reserved
- 2026-11-04
- Assigning CNA
- SNOWFLAKE
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-121Stack-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- 7bdb7dad95659c9b284365f970b3977d03b3c5a398f8c8ade764ee4da6391d5d
05 Affected products
VendorProductVersionsPlatforms
06 References
- docs.snowflake.comSnowflake PHP PDO Driver Release Noteshttps://docs.snowflake.com/en/release-notes/clients-drivers/php-pdo-2026#version-430-oct-1-2026
- github.comSnowflake Libsnowflakeclient Release Noteshttps://github.com/snowflakedb/libsnowflakeclient/releases/tag/v2.11.1