UBUNTU-CVE-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

CVE-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

CVE-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

CVE-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

UBUNTU-CVE-2026-43860

mutt before 2.3.2 sometimes truncates the hashpasswd by one byte for IMAP authcram MD5 digest...

PT-2026-36773

Name of the Vulnerable Software and Affected Versions mutt versions prior to 2.3.2 Description An issue exists where the hash passwd is occasionally truncated by one byte during IMAP auth cram MD5 digest processes. Recommendations Update to version 2.3.2 or later...

JLSEC-2026-184

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in fromheader in list.c via a V7 archive in which mtime has approximately 11 whitespace...

EUVD-2026-23978

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5450 scanf %mc off-by-one heap buffer overflow

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

CVE-2026-5772 MatchDomainName 1-Byte Stack Buffer Over-Read in Hostname Validation

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

CVE-2026-4159

1-byte OOB heap read in wcPKCS7DecodeEnvelopedData via zero-length encrypted content. A vulnerability existed in wolfSSL 5.8.4 and earlier, where a 1-byte out-of-bounds heap read in wcPKCS7DecodeEnvelopedData could be triggered by a crafted CMS EnvelopedData message with zero-length encrypted...

CVE-2026-34085

A flaw was found in fontconfig. This vulnerability, an off-by-one error in how fontconfig handles font capabilities, could allow a local attacker to cause a one-byte out-of-bounds write. This issue may lead to a system crash, resulting in a Denial of Service DoS, or potentially enable the attacke...

SUSE CVE-2026-34085

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error via the FcFontCapabilities function in fcfreetype.c. An attacker can cause a one-byte out-of-bounds write, potentially leading to a crash or execution of arbitrary code by supplying crafted input that triggers the...

EUVD-2026-15934

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c...

CVE-2026-34085

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c...

CVE-2026-34085

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c...

CVE-2026-34085

fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c...