CVE-2025-11579Medium· 5.3▾ TwilightPoC availablerardecode: DoS risk due to unrestricted RAR dictionary sizes
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 29.2 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
1 GitHub repo
0.3% → 0.4%
rardecode versions <= 2.1.1 fail to restrict the dictionary size when reading large RAR dictionary sizes, which allows an attacker to provide a specially crafted RAR file and cause Denial of Service via an Out Of Memory Crash.
github.com/nwaples/rardecode/v2 < 2.2.0github.com/nwaples/rardecode <= 1.1.3Upgrade to a patched release:
github.com/nwaples/rardecode/v2 2.2.0Field changes observed since this record was first indexed.