CVE-2010-1938
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and...
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
Exploit likelihood
What each source reports
NVD Score used
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
- Record
CVE-2010-1938- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
- Record
CVE-2010-1938- Updated
- 2026-11-02
EUVDEUVD-2010-1957 No score
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
- Record
EUVD-2010-1957- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-grpr-f38p-j58f No score
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and...
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
- Record
GHSA-grpr-f38p-j58f- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | FreeBSD 8.0 - 'ftpd' (FreeBSD-SA-10:05) Off-By-One (PoC) | 2010-05-27 |
| PoC in GitHub | Nexxus67/cve-2010-1938 | 2024-10-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-1938 is a high vulnerability (CVSS 9.3) in Freebsd, published May 28, 2010. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 22.1%, the 97th percentile. No source names a fixed version.
References
blog.pi3.com.pl?p=111
securityreason.com/securityalert/7450
securityfocus.com/bid/40403
site.pi3.com.pl/adv/libopie-adv.txt
securitytracker.com/id?1024040
debian.org/security/2011/dsa-2281
Show 10 moreShow less
security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc
secunia.com/advisories/39966
exploit-db.com/exploits/12762
bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932
nvd.nist.gov/vuln/detail/CVE-2010-1938
github.com/advisories/GHSA-grpr-f38p-j58f