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.
Conclusion & alert: CVE-2013-0249 is rated High Exploit Risk (74.1/100): CVSS High severity, with high exploitation likelihood (EPSS 44.20%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 24487 | exploit_db | edb | 2013-02-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-07 | 51.16% | 44.20% | -6.95% |
| 2 | 2025-10-19 | 38.79% | 51.16% | +12.36% |
| 3 | 2025-05-04 | — | 38.79% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2013-0249 not yet assigned priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2013-0249 |
gentoo
|
normal | CVE-2013-0249: 1 GLSA(s) (201401-14), 1 atom(s) (net-misc/curl); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0249 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2013-0249 |
suse
|
high | CVE-2013-0249 severity important: SUSE including 50 source package names (curl-7.37.0-15.1, curl-7.37.0-2.5, …), 73 product×package rows across 27 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (27 product lines)): Fixed 73. | https://www.suse.com/security/cve/CVE-2013-0249/ |
ubuntu
|
medium | CVE-2013-0249 medium priority: Ubuntu including 1 source packages (curl), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): not-affected 4, released 2. | https://ubuntu.com/security/CVE-2013-0249 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| haxx | curl | 7.26.0 | cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:* |
| haxx | curl | 7.27.0 | cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:* |
| haxx | curl | 7.28.0 | cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:* |
| haxx | curl | 7.28.1 | cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:* |
| haxx | libcurl | 7.26.0 | cpe:2.3:a:haxx:libcurl:7.26.0:*:*:*:*:*:*:* |
| haxx | libcurl | 7.27.0 | cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:* |
| haxx | libcurl | 7.28.0 | cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:* |
| haxx | libcurl | 7.28.1 | cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.10 | cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* |