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CVE record · CVE-2025-68160

Heap out-of-bounds write in BIO_f_linebuffer on short writes

CVSS 4.7 MediumEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: openssl) at 27 Jan 2026, 16:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
OpenSSL OpenSSL
  • affected 3.6.0 to before 3.6.1 semver
  • affected 3.5.0 to before 3.5.5 semver
  • affected 3.4.0 to before 3.4.4 semver
  • affected 3.3.0 to before 3.3.6 semver
  • affected 3.0.0 to before 3.0.19 semver
  • affected 1.1.1 to before 1.1.1ze custom
  • affected 1.0.2 to before 1.0.2zn custom
Other versions: unaffected
Identifiers
CVE-2025-68160
CNA
openssl
Weakness (CWE)
CWE-787
Tags
Published
27 Jan 2026
Updated
15 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.7 Medium 3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Jan 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.