VulnerabilityModified

CVE-2017-11697

The __hash_open function in hash.c:229 in Mozilla Network Security Services (NSS) allows context-dependent attackers to cause a denial of service (floating point exception and crash) via a crafted cert8.db file.

HIGH 7.8EPSS 0.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.52% probability · 44th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-119
Affected: mozilla/network security services
Source: cve@mitre.org

EPSS trend

EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2017/Aug/17Exploit, Mailing List, Third Party Advisory
http://www.geeknik.net/9brdqk6xuExploit, Third Party Advisory
http://www.securityfocus.com/bid/100345Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039153Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/202003-37
http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2017/Aug/17Exploit, Mailing List, Third Party Advisory
http://www.geeknik.net/9brdqk6xuExploit, Third Party Advisory
http://www.securityfocus.com/bid/100345Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039153Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/202003-37

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.