01 Record
CVE-2026-49423
Remote DOS via uninitialized memory access in KTLS receive
LowPUBLISHEDCNA: freebsd
CNA base score3.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
02 Description
Remote DOS via uninitialized memory access in KTLS receive
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.1% of scored records. A rank, not a probability.
- NVD base score
- 3.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-08-31.
- 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
- 2026-08-19 07:01Z2 MO AGO
- Last updated
- 2026-08-26 17:51Z2 MO AGO
- Reserved
- 2026-05-29
- Assigning CNA
- freebsd
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.3)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-908Use of Uninitialized ResourceBase
- Data version
- 5.2
- Document digest
- 7153253a2e35f9e1f8c34d68999923038625a7da1b7a89eb303ed94fe96cf630
05 Affected products
VendorProductVersionsPlatforms
FreeBSDFreeBSD15.1-RELEASE to < p1, 15.0-RELEASE to < p11, 14.4-RELEASE to < p7, 14.3-RELEASE to < p16—
06 References
- security.freebsd.orghttps://security.freebsd.org/advisories/FreeBSD-SA-26:46.ktls.asc