Home / CVEs
CVE Database
Published vulnerabilities with severity, known exploitation and official sources.
CVE-2020-27171
Medium · 6.0
CWE-193 Mar 20, 2021
An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an…
An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.
CVE-2021-3156
High · 7.8
KEV Urgent · 76 Public exploit CWE-193 Jan 26, 2021
Sudo Heap-Based Buffer Overflow Vulnerability
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
CVE-2019-19721
High · 7.8
CWE-193 May 15, 2020
An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC…
An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.
CVE-2019-19906
High · 7.5
CWE-193 Dec 19, 2019
cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote...
cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.