CVE-2021-39549

5.5 MEDIUM

An issue was discovered in sela through 20200412

Published: 2021-09-20 · Last updated: 2026-06-17

Severity and scoring

CVSS: 5.5 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE: CWE-476

Affected products

Vendor	Product
sela_project	sela

Description

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

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39549
[Exploit reference]https://github.com/sahaRatul/sela/issues/27
[Exploit reference]https://github.com/sahaRatul/sela/issues/27

Related CVEs

Same vendor

CVE-2021-39552 — An issue was discovered in sela through 20200412 (7.8 HIGH)
CVE-2021-39551 — An issue was discovered in sela through 20200412 (7.8 HIGH)
CVE-2021-39550 — An issue was discovered in sela through 20200412 (7.8 HIGH)
CVE-2021-39548 — An issue was discovered in sela through 20200412 (5.5 MEDIUM)
CVE-2021-39547 — An issue was discovered in sela through 20200412 (5.5 MEDIUM)

Same CWE

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CVE-2025-55663 — A segmentation violation in the Track_SetStreamDescriptor function (isomedia/track.c) of GPAC MP4Box v2.4 allows attackers to cause a Den... (5.5 MEDIUM)
CVE-2025-55649 — A NULL pointer dereference in the gf_media_map_esd function (media_tools/isom_tools.c) of GPAC MP4Box v2.4 allows attackers to cause a De... (5.5 MEDIUM)
CVE-2025-55643 — A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Den... (5.5 MEDIUM)