TI-2021-16813 Aliases CVE-2021-39548 GHSA-v55p-34x8-pfvv

An issue was discovered in sela through 20200412.

LOW 26CWE-476Published 2021-09-20 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function frame::FrameDecoder::process() located in frame_decoder.c. It allows an attacker to cause Denial of Service.

Why it matters now

EPSS 0.00635 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:sela_project:sela::::::::	up to 2020-04-12	Vulnerable	Sela Project

cpe:2.3:a:sela_project:sela:*:*:*:*:*:*:*:* Versions up to 2020-04-12 Vulnerable ·Sela Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-39548
2026-10-03 Alias added: GHSA-v55p-34x8-pfvv
2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/sahaRatul/sela/issues/28

TI-2021-16817 An issue was discovered in sela through 20200412. CVSS 3.1HIGH 7.8
TI-2021-16816 An issue was discovered in sela through 20200412. CVSS 3.1HIGH 7.8
TI-2021-16815 An issue was discovered in sela through 20200412. CVSS 3.1HIGH 7.8
TI-2021-16811 An issue was discovered in sela through 20200412. CVSS 3.1HIGH 7.8
TI-2021-16809 An issue was discovered in sela through 20200412. CVSS 3.1HIGH 7.8
TI-2021-16814 An issue was discovered in sela through 20200412. CVSS 3.1MEDIUM 5.5

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences