# libc-bin 2.27-3ubuntu1.6+esm5: libc-bin 2.27-3ubuntu1.6+esm5 for Ubuntu 18.04.6 LTS (bionic)

libc-bin 2.27-3ubuntu1.6+esm5, released May 16, 2025, fixes 1 CVE in libc-bin. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libc-bin-2.27-3ubuntu1.6-esm5
- Platform: Linux
- Released: May 16, 2025
- Priority: High (Closes CVE-2025-4802, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libc-bin](https://patchblox.com/security/data/product/linux/libc-bin.md) | Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.6+esm5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-4802](https://patchblox.com/security/data/cve/CVE-2025-4802.md) | High | Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo). | 8.4 | 0.0059 |  |

---

Data as of 2026-11-11T19:49:26Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
