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CVE-2026-85091

Medium priority
Vulnerable

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow...

4 affected packages

zlib, rsync, klibc, zsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
zlib Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
rsync Not affected Not affected Not affected Vulnerable Vulnerable
klibc Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
zsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70464

Medium priority
Needs evaluation

rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70463

Medium priority
Needs evaluation

rsync 3.1.0 before 3.5.0 contains an authorization bypass in auth users directive parsing. The auth users parser uses comma-only tokenization when splitting the user list, which fails to correctly handle entries of the form @Group...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70462

Medium priority
Needs evaluation

rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70461

Medium priority
Needs evaluation

rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of a heap allocation by supplying a crafted files-from...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70460

Medium priority
Needs evaluation

rsync 2.3.3 before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to escape the module root by exploiting symlinks within the module file tree when using --partial-dir or --backup-dir options....

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70459

Medium priority
Needs evaluation

rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by sending a file list whose first entry is a dot entry not typed as a...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70458

Medium priority
Needs evaluation

rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINK_BUMP processing on file entries with the FLAG_HLINKED flag set while the hard-link preservation...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70457

Medium priority
Needs evaluation

rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segment array without bounds checking. When snprintf truncates the...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-70456

Medium priority
Needs evaluation

rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() function that allows a malicious sender to corrupt adjacent heap memory by sending a crafted argument list. When the argument count causes...

1 affected package

rsync

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rsync Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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