SARA / Free Tools / CVE / CVE-2023-0767

CVE-2023-0767 — An attacker could construct a PKCS 12 cert bundle in such a way that could allow

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CVSS
— —
EPSS
0.25% (top 51.70%)
CWE
—
Published
2023-06-02T00:00:00.000Z
Last modified
2025-05-05T16:07:43.135Z
CVSS vector
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01What is this vulnerability?

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

02Affected products

VendorProductVersions
MozillaFirefoxunspecified
MozillaThunderbirdunspecified
MozillaFirefox ESRunspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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