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CVE-2002-1563
stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an…
Low1.2EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter.
Timeline
ID reserved
By mitre
- 3 days later
· 3 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low1.2 | AV:L/AC:H/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.34% · top 73% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.2.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- ESA-20030806-020 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
- CLA-2003:736 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- 20030112 SIGCHLD problem in Stunnel (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- RHSA-2003:223 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://marc.info/?l=stunnel-users&m=103600188215117&w=2 (opens in a new tab)x_refsource_MISCx_transferred
- 6592 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 2003-0030 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
- RHSA-2003:221 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2002-1563)Record last updated .