CVE-2013-0249
Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in the realm parameter in a (1) POP3, (2) SMTP or (3) IMAP message.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 21.6% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-0280)
- Published
- March 8, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-0280 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
References
- http://blog.volema.com/curl-rce.html
- http://curl.haxx.se/docs/adv_20130206.html(Vendor Advisory)
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099140.html
- http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/
- http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html
- http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html
- http://www.exploit-db.com/exploits/24487(Exploit)
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.osvdb.org/89988
- http://www.securityfocus.com/bid/57842
- http://www.securitytracker.com/id/1028093
- http://www.ubuntu.com/usn/USN-1721-1(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain