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Vulnerability record · CVE-1999-1580 · published 23 August 1995

CVE-1999-1580: Sendmail vulnerability

Sendmail · Sendmail

SunOS sendmail 5.59 through 5.65 uses popen to process a forwarding host argument, which allows local users to gain root privileges by modifying the IFS (Internal Field Separator) variable and passing crafted values to the -oR option.

7.2 CVSS 2.0 High EPSS 1.1% · top 35.3%
7.2CVSS 2.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

SunOS sendmail 5.59 through 5.65 uses popen to process a forwarding host argument, which allows local users to gain root privileges by modifying the IFS (Internal Field Separator) variable and passing crafted values to the -oR option.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html Exploit
http://www.auscert.org.au/render.html?it=1853&cid=1978 Vendor Advisory
http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul PatchThird Party AdvisoryUS Government Resource
http://www.kb.cert.org/vuls/id/3278 Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/7829
http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html Exploit
http://www.auscert.org.au/render.html?it=1853&cid=1978 Vendor Advisory
http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul PatchThird Party AdvisoryUS Government Resource
http://www.kb.cert.org/vuls/id/3278 Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/7829

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-1580), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.