CVE-2023-33551
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6...
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.
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
What each source reports
NVD Score used
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
CVE-2023-33551- CVSS 3.1
- 7.8 High
CVSS: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
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
CVE-2023-33551- CVSS 3.1
- 7.8 High
CVSS: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-2023-37708
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
EUVD-2023-37708- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2f78-w4rr-cmhf
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6...
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
GHSA-2f78-w4rr-cmhf- CVSS 3.1
- 7.8 High
CVSS: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
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
CVE-2023-33551- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-33551
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
DEBIAN-CVE-2023-33551- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-33551
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
UBUNTU-CVE-2023-33551- CVSS 3.1
- 7.8 High
CVSS: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
OSVopenSUSE-SU-2024:13318-1 No score
erofs-utils-1.7-1.1 on GA media
These are all security issues fixed in the erofs-utils-1.7-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:13318-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
erofs-utilsDebian:12 |
All versions, plus listed versions 1.5-11.6-11.6-21.6-31.6-4 Show 17 moreShow less1.7-11.7.1-11.8.1-11.8.10-11.8.2-11.8.2-21.8.3-11.8.4-11.8.4-21.8.5-11.8.6-11.9-11.9-21.9-31.9.1-11.9.2-11.9.4-1 |
None known |
erofs-utilsDebian:13 |
before 1.6-2 | 1.6-2 |
erofs-utilsDebian:14 |
before 1.6-2 | 1.6-2 |
erofs-utilsMageia:9 From an advisory covering 2 CVEs |
before 1.7.1-1.mga9 | 1.7.1-1.mga9 |
erofs-utilsUbuntu:20.04:LTS |
All versions, plus listed versions 1.0-11.0-21.0-3 |
None known |
erofs-utilsUbuntu:22.04:LTS |
All versions, plus listed versions 1.3-11.4-1 |
None known |
erofs-utilsUbuntu:24.04:LTS |
All versions, plus listed versions 1.6-41.7.1-11.7.1-1build11.7.1-1build2 |
None known |
erofs-utilsUbuntu:25.10 |
All versions, plus listed versions 1.8.5-11.8.6-11.8.10-1 |
None known |
erofs-utilsUbuntu:26.10 |
All versions, plus listed versions 1.9.1-11.9.2-1build11.9.4-1 |
None known |
erofs-utilsUbuntu:26.04:LTS |
All versions, plus listed versions 1.8.10-11.8.10-1build11.9-31.9.1-1 |
None known |
erofs-utilsopenSUSE:Tumbleweed |
before 1.7-1.1 | 1.7-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-33551 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 0.81%, the 57th percentile. Fixed in erofs-utils 1.6-2.
References
github.com/lometsj/blog_repo/issues/2
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHOIRL6XH5NYR3LYI3KP5DE4SDSQWR7W
nvd.nist.gov/vuln/detail/CVE-2023-33551