Mozilla::CA versions before 20261020 for Perl provide a CA certificate bundle containing a root linked to compromised intermediates
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Unclear
- Fix
- Fixed in 20261020
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Mozilla::CA versions before 20261020 for Perl provide a CA certificate bundle containing a root linked to compromised intermediates. The bundle includes "emSign ECC Root CA - G3", which provides a trust path for intermediate certificates whose private keys are publicly available. An attacker able to intercept or redirect client traffic may use these keys to impersonate a TLS server. LWP, HTTP::Tiny and other clients normally use IO::Socket::SSL, which looks for CA certificates in OpenSSL's default locations before falling back to Mozilla::CA. Configuration and environment variables can override this selection. Users should check which CA store their client uses. If it uses the system store, check for and install the operating system vendor's updates for this incident.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Mozilla-CA
fixed in 20261020
References 4
openwall.com
metacpan.org
emudhra.we-have-a-problem.com
bugzilla.mozilla.org
Questions about CVE-2026-113812
What does this mean?
The CA certificate bundle bundled by Mozilla::CA includes a root certificate linked to compromised eMudhra intermediate CAs. An attacker holding the private key of one of those intermediates could impersonate any website or service.Source: emudhra.we-have-a-problem.com
Am I affected, and how do I check?
Mozilla::CA versions before 20261020 for Perl are affected. To check, run perl -MMozilla::CA -e 'print $Mozilla::CA::VERSION' and compare the output with 20261020.Source: emudhra.we-have-a-problem.com
What should I do about it?
Upgrade Mozilla::CA for Perl to version 20261020 or later.Source: emudhra.we-have-a-problem.com
Is it being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data