CVE-1999-0046 [Critical] | Memory Corruption in Bsd Os

CVE-1999-0046 is rated High Exploit Risk (94.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 52.81%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +45.89% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

EDB-ID	Source	Kind	Published	Link
19203	exploit_db	edb	1996-12-04	Exploit-DB ↗

EDB-ID

Source

Kind

Published

Link

19203

exploit_db

edb

1996-12-04

Exploit-DB ↗

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	6.92%	52.81%	+45.89%
2	2026-02-13	2.83%	6.92%	+4.09%
3	2025-10-24	—	2.83%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

6.92%

52.81%

+45.89%

2026-02-13

2.83%

6.92%

+4.09%

2025-10-24

—

2.83%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
10.0	2.0	HIGH	`AV:N/AC:L/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	10.0	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

10.0

2.0

HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

10.0

[email protected]

OS Trackers for CVE-1999-0046

vendor	priority	summary	link
`alpine`	—	CVE-1999-0046: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0.	https://security.alpinelinux.org/vuln/CVE-1999-0046

Affected software / configurations for CVE-1999-0046

Vendor	Product	Version	Raw CPE
bsdi	bsd_os	1.1	cpe:2.3:o:bsdi:bsd_os:1.1:::::::*
bsdi	bsd_os	2.0	cpe:2.3:o:bsdi:bsd_os:2.0:::::::*
bsdi	bsd_os	2.0.1	cpe:2.3:o:bsdi:bsd_os:2.0.1:::::::*
bsdi	bsd_os	2.1	cpe:2.3:o:bsdi:bsd_os:2.1:::::::*
debian	debian_linux	0.93	cpe:2.3:o:debian:debian_linux:0.93:::::::*
digital	ultrix	—	cpe:2.3:o:digital:ultrix:-:::::::*
freebsd	freebsd	1.1.5.1	cpe:2.3:o:freebsd:freebsd:1.1.5.1:::::::*
freebsd	freebsd	2.0	cpe:2.3:o:freebsd:freebsd:2.0:::::::*
freebsd	freebsd	2.0.5	cpe:2.3:o:freebsd:freebsd:2.0.5:::::::*
freebsd	freebsd	2.1.0	cpe:2.3:o:freebsd:freebsd:2.1.0:::::::*
freebsd	freebsd	2.1.5	cpe:2.3:o:freebsd:freebsd:2.1.5:::::::*
hp	hp-ux	10.00	cpe:2.3:o:hp:hp-ux:10.00:::::::*
hp	hp-ux	10.01	cpe:2.3:o:hp:hp-ux:10.01:::::::*
hp	hp-ux	10.08	cpe:2.3:o:hp:hp-ux:10.08:::::::*
hp	hp-ux	10.09	cpe:2.3:o:hp:hp-ux:10.09:::::::*
hp	hp-ux	10.10	cpe:2.3:o:hp:hp-ux:10.10:::::::*
hp	hp-ux	10.16	cpe:2.3:o:hp:hp-ux:10.16:::::::*
hp	hp-ux	10.20	cpe:2.3:o:hp:hp-ux:10.20:::::::*
hp	hp-ux	10.24	cpe:2.3:o:hp:hp-ux:10.24:::::::*
hp	hp-ux	10.30	cpe:2.3:o:hp:hp-ux:10.30:::::::*
hp	hp-ux	10.34	cpe:2.3:o:hp:hp-ux:10.34:::::::*
ibm	aix	3.2	cpe:2.3:o:ibm:aix:3.2:::::::*
ibm	aix	4.1	cpe:2.3:o:ibm:aix:4.1:::::::*
ibm	aix	4.1.1	cpe:2.3:o:ibm:aix:4.1.1:::::::*
ibm	aix	4.1.2	cpe:2.3:o:ibm:aix:4.1.2:::::::*
ibm	aix	4.1.3	cpe:2.3:o:ibm:aix:4.1.3:::::::*
ibm	aix	4.1.4	cpe:2.3:o:ibm:aix:4.1.4:::::::*
ibm	aix	4.1.5	cpe:2.3:o:ibm:aix:4.1.5:::::::*
netbsd	netbsd	1.0	cpe:2.3:o:netbsd:netbsd:1.0:::::::*
netbsd	netbsd	1.1	cpe:2.3:o:netbsd:netbsd:1.1:::::::*
next	nextstep	—	cpe:2.3:o:next:nextstep:-:::::::*
oracle	solaris	—	cpe:2.3:o:oracle:solaris:-:::::::*
oracle	solaris	2.5.1	cpe:2.3:o:oracle:solaris:2.5.1:::::::*
oracle	solaris	2.6	cpe:2.3:o:oracle:solaris:2.6:::::::*
oracle	solaris	7.0	cpe:2.3:o:oracle:solaris:7.0:::::::*
oracle	solaris	8	cpe:2.3:o:oracle:solaris:8:::::::*
sun	sunos	4.1.3u1	cpe:2.3:o:sun:sunos:4.1.3u1:::::::*
sun	sunos	4.1.4	cpe:2.3:o:sun:sunos:4.1.4:::::::*
sun	sunos	5.3	cpe:2.3:o:sun:sunos:5.3:::::::*
sun	sunos	5.4	cpe:2.3:o:sun:sunos:5.4:::::::*
sun	sunos	5.5	cpe:2.3:o:sun:sunos:5.5:::::::*
sun	sunos	5.5.1	cpe:2.3:o:sun:sunos:5.5.1:::::::*

References for CVE-1999-0046

URL	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0046	Third Party Advisory VDB Entry

URL

CVE-1999-0046

Public exploit references (Exploit-DB) for CVE-1999-0046

Exploit prediction scoring system (EPSS) score for CVE-1999-0046

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0046

Weakness enumeration for CVE-1999-0046

OS Trackers for CVE-1999-0046

Affected software / configurations for CVE-1999-0046

References for CVE-1999-0046