What’s Vulnerable › Vulnerabilities

CVE-2023-33551

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-01 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• Erofs-Utils Project Erofs-Utils: 1.6

References

• https://github.com/lometsj/blog_repo/issues/2
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHOIRL6XH5NYR3LYI3KP5DE4SDSQWR7W/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGGIYW7PHYQM2NPYCJPSPSLULLD2P2PE/
• https://github.com/lometsj/blog_repo/issues/2
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHOIRL6XH5NYR3LYI3KP5DE4SDSQWR7W/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGGIYW7PHYQM2NPYCJPSPSLULLD2P2PE/

Get alerted when CVE-2023-33551 or the next vulnerability affects your stack