The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in OpenSSL before 0.9.8v, 1.0.0 before 1.0.0i, and 1.0.1 before 1.0.1a does not properly interpret integer data, which allows remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.
Conclusion & alert: CVE-2012-2110 is rated High Exploit Risk (84.5/100): CVSS High severity, with high exploitation likelihood (EPSS 48.30%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +39.55% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 18756 | exploit_db | edb | 2012-04-19 | 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 | 2026-06-15 | 8.74% | 48.30% | +39.55% |
| 2 | 2026-03-11 | 7.43% | 8.74% | +1.32% |
| 3 | 2026-03-04 | — | 7.43% | — |
Full EPSS history (52 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-2012-2110 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-2110 |
gentoo
|
low | CVE-2012-2110: 1 GLSA(s) (201312-03), 1 atom(s) (dev-libs/openssl); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2110 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2012-2110 |
suse
|
medium | CVE-2012-2110 severity moderate: SUSE including 158 source package names (compat-openssl097g-0.9.7g-146.22.1, compat-openssl097g-32bit-0.9.7g-146.22.1, …), 365 product×package rows across 58 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (58 product lines)): Fixed 200, Known Not Affected 165. | https://www.suse.com/security/cve/CVE-2012-2110/ |
ubuntu
|
medium | CVE-2012-2110 medium priority: Ubuntu including 2 source packages (openssl, openssl098), 10 status rows across 5 suites (hardy, lucid, natty, oneiric, upstream): released 5, DNE 3, needs-triage 2. | https://ubuntu.com/security/CVE-2012-2110 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:* |
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:* |
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:* |
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:* |
| openssl | openssl | 1.0.0 | cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:* |
| openssl | openssl | 1.0.0a | cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0b | cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0c | cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0d | cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0e | cpe:2.3:a:openssl:openssl:1.0.0e:*:*:*:*:*:*:* |
| openssl | openssl | 1.0.0g | cpe:2.3:a:openssl:openssl:1.0.0g:*:*:*:*:*:*:* |
| openssl | openssl | <= 0.9.8u | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.1c | cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.2b | cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.3 | cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.3a | cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.4 | cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.5 | cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.5 | cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.5 | cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:* |
| openssl | openssl | 0.9.5a | cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.5a | cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.5a | cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:* |
| openssl | openssl | 0.9.6 | cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6 | cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.6 | cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:* |
| openssl | openssl | 0.9.6 | cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:* |
| openssl | openssl | 0.9.6a | cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6a | cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.6a | cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:* |
| openssl | openssl | 0.9.6a | cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:* |
| openssl | openssl | 0.9.6b | cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6c | cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6d | cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6e | cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6f | cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6g | cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6h | cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6i | cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6j | cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6k | cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6l | cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.6m | cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta4:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta5:*:*:*:*:*:* |
| openssl | openssl | 0.9.7 | cpe:2.3:a:openssl:openssl:0.9.7:beta6:*:*:*:*:*:* |
| openssl | openssl | 0.9.7a | cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7b | cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7c | cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7d | cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7e | cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7f | cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7g | cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7h | cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7i | cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7j | cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7k | cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7l | cpe:2.3:a:openssl:openssl:0.9.7l:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.7m | cpe:2.3:a:openssl:openssl:0.9.7m:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8 | cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8a | cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8b | cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8c | cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8d | cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8e | cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8f | cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8g | cpe:2.3:a:openssl:openssl:0.9.8g:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8h | cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8i | cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8j | cpe:2.3:a:openssl:openssl:0.9.8j:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8k | cpe:2.3:a:openssl:openssl:0.9.8k:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8l | cpe:2.3:a:openssl:openssl:0.9.8l:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8m | cpe:2.3:a:openssl:openssl:0.9.8m:*:*:*:*:*:*:* |
| openssl | openssl | 0.9.8m | cpe:2.3:a:openssl:openssl:0.9.8m:beta1:*:*:*:*:*:* |
| openssl | openssl | 0.9.8n | cpe:2.3:a:openssl:openssl:0.9.8n:*:*:*:*:*:*:* |