🛡️ CVE-2015-7764 — lemur
Description
Lemur uses static IV per key
Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality high, integrity none, availability none.
Weakness class
CVE-2015-7764 is classified as CWE-331: Insufficient Entropy. A generator is seeded with too little randomness, narrowing the range of outputs an attacker must search.
Affected software
CVE-2015-7764 is recorded against 1 package.
- lemur (fixed in 0.1.5)
Timeline and source
Published on 13 May 2022 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
www.openwall.com (Web)
Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| lemur | — | 0.1.5 |
References
Similar Threats
- High CVE-2026-48508
- Unknown CVE-2026-55162
- Unknown CVE-2026-55163
- Unknown CVE-2026-55164
- Unknown CVE-2026-55165
More CVE 2015 advisories
Browse all of CVE 2015 in the advisory index.
Site Security Check
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