CWE-127— Buffer Under-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations prior to the targeted buffer.— MITRE CWE catalog
12 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-127page 1 of 1
- CVE-2026-103119CRITICALCVSS 9.1EG 9.12026-10-20
Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failur…
- CVE-2025-20359CRITICALCVSS 9.1EG 9.12025-10-15
Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash. …
- CVE-2024-10395HIGHCVSS 8.6EG 8.62025-02-03
No proper validation of the length of user input in http_server_get_content_type_from_extension.
- CVE-2026-110758HIGHCVSS 7.5EG 7.52026-10-16
Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace. Under allow_whitespace, strip_trail_whitespace removes trailing spaces and tabs from each unquoted fi…
- CVE-2026-5928HIGHCVSS 7.5EG 7.52026-04-20
Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an atte…
- CVE-2020-1918HIGHCVSS 7.5EG 7.52021-03-10
In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between …
- CVE-2020-5360HIGHCVSS 7.5EG 7.52020-12-16
Dell BSAFE Micro Edition Suite, versions prior to 4.5, are vulnerable to a Buffer Under-Read Vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability resulting in undefined behaviour, or a crash of the…
- CVE-2023-2512MEDIUMCVSS 6.5EG 6.52023-05-12
Prior to version v1.20230419.0, the FormData API implementation was subject to an integer overflow. If a FormData instance contained more than 2^31 elements, the forEach() method could end up reading from the wrong location in memory whil…
- CVE-2025-32050MEDIUMCVSS 5.9EG 5.92025-04-03
A flaw was found in libsoup. The libsoup append_param_quoted() function may contain an overflow bug resulting in a buffer under-read.
- CVE-2024-25629MEDIUMCVSS 4.4EG 4.42024-02-23
c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, th…
- CVE-2026-45683LOWCVSS 3.8EG 3.82026-05-18
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Java TLS ioctl probe reads user-controlled ioctl pointers with bpf_probe_read instead of bpf_probe_read_user.…
- CVE-2025-71450LOWCVSS 3.3EG 3.32026-11-02
inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of a…
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