CVE-2023-33552

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows...

7.8 HighFix available

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.71%Up 0.6 points since Jun 2, 2023

What each source reports

NVD Score used 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: CVE-2023-33552
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

CVE List 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: CVE-2023-33552
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2023-37709 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: EUVD-2023-37709
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4jc9-ccj8-5px3 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows...

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: GHSA-4jc9-ccj8-5px3
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: CVE-2023-33552
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-33552 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: DEBIAN-CVE-2023-33552
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-33552 7.8

Heap Buffer Overflow in the erofs_read_one_data function at data.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.

Record: UBUNTU-CVE-2023-33552
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVMGASA-2024-0241 No score

Updated erofs-utils packages fix security vulnerabilities

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.

Record: MGASA-2024-0241
Updated: 2026-11-02

Affected products

erofs-utils project erofs-utils

Affected packages

Affected packages
Package	Affected	Fixed
`erofs-utils` Debian:12	All versions, plus listed versions 1.5-11.6-11.6-21.6-31.6-4 Show 17 moreShow less 1.7-11.7.1-11.8.1-11.8.10-11.8.2-11.8.2-21.8.3-11.8.4-11.8.4-21.8.5-11.8.6-11.9-11.9-21.9-31.9.1-11.9.2-11.9.4-1	None known
`erofs-utils` Debian:13	before 1.6-2	1.6-2
`erofs-utils` Debian:14	before 1.6-2	1.6-2
`erofs-utils` Mageia:9 From an advisory covering 2 CVEs	before 1.7.1-1.mga9	1.7.1-1.mga9
`erofs-utils` Ubuntu:20.04:LTS	All versions, plus listed versions 1.0-11.0-21.0-3	None known
`erofs-utils` Ubuntu:22.04:LTS	All versions, plus listed versions 1.3-11.4-1	None known
`erofs-utils` Ubuntu:24.04:LTS	All versions, plus listed versions 1.6-41.7.1-11.7.1-1build11.7.1-1build2	None known
`erofs-utils` Ubuntu:25.10	All versions, plus listed versions 1.8.5-11.8.6-11.8.10-1	None known
`erofs-utils` Ubuntu:26.10	All versions, plus listed versions 1.9.1-11.9.2-1build11.9.4-1	None known
`erofs-utils` Ubuntu:26.04:LTS	All versions, plus listed versions 1.8.10-11.8.10-1build11.9-31.9.1-1	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33552 is a high vulnerability (CVSS 7.8) in Erofs-utils Project Erofs-utils, published June 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. Fixed in erofs-utils 1.6-2.

References

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