Read the docs
TI-2023-16575 Aliases CVE-2023-33551GHSA-2f78-w4rr-cmhf

Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils…

Priority HIGH 69CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00815 57th 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

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:erofs-utils_project:erofs-utils:1.6:*:*:*:*:*:*:*1.6VulnerableErofs-utils Project
  • cpe:2.3:a:erofs-utils_project:erofs-utils:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·Erofs-utils Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-33551
  2. 2026-10-03 Alias added: GHSA-2f78-w4rr-cmhf

References

Exploit 1

Advisory 2

  • TI-2023-16576 Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6… CVSS 3.1HIGH 7.8

Sources

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