CVE-2013-0243 json
tls-extra: certificate validation does not check Basic Constraints
published 2019-12-05 6 y ago modified 2026-06-16 4 mo ago also EUVD-2013-0275 , HSEC-2023-0005
- cvss
- 7.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
haskell-tls-extra before 0.6.1 has Basic Constraints attribute vulnerability may lead to Man in the Middle attacks on TLS connections
Patch / fix
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| OSV | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| hackage | tls-extra | >=0.1.0, <0.4.6.1 |
0.4.6.1 |
Affected products
- haskell-tls-extra haskell-tls-extra
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/haskell-tls/hs-tls/commit/15885c0649ceabd2f4d2913df8ac6dc63d6b3b37
patch
-
security-tracker.debian.org
/tracker/CVE-2013-0243
third-party-advisory
-
access.redhat.com
/security/cve/cve-2013-0243
broken-link
-
openwall.com
/lists/oss-security/2013/01/30/6
mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2013/01/30/6
discussion
-
github.com
/haskell-tls/hs-tls/issues/29
report
Sources
- CVE List CVE-2013-0243
- NVD CVE-2013-0243
- OSV HSEC-2023-0005
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