SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-2871

Buffer overflow in the International Domain Name (IDN) support in Mozilla Firefox 1.0.6 and earlier, and Netscape 8.0.3.3 and 7.2, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a hostname with all…

HIGH 7.5EPSS 21.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Buffer overflow in the International Domain Name (IDN) support in Mozilla Firefox 1.0.6 and earlier, and Netscape 8.0.3.3 and 7.2, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a hostname with all "soft" hyphens (character 0xAD), which is not properly handled by the NormalizeIDN call in nsStandardURL::BuildNormalizedSpec.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
21.11% probability · 97th percentile
CISA KEV
Not listed
Affected
mozilla/firefox
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.