CVE-2023-33551 json
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary…
published 2023-06-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37708
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
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.
Patch / fix
- erofs-utils Debian 14, Debian 13 1.6-2
debian advisories DEBIAN-CVE-2023-33551
- erofs-utils openSUSE Tumbleweed 1.7-1.1
opensuse advisories openSUSE-SU-2024:13318-1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/lometsj/blog_repo/issues/2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/lometsj/blog_repo/issues/2
exploit, patch, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/FHOIRL6XH5NYR3LYI3KP5DE4SDSQWR7W/
vendor-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/IGGIYW7PHYQM2NPYCJPSPSLULLD2P2PE/
vendor-advisory
Sources
- CVE List CVE-2023-33551
- NVD CVE-2023-33551
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.