# libgit2-26 0.26.0+dfsg.1-1.1ubuntu0.2+esm2: libgit2-26 0.26.0+dfsg.1-1.1ubuntu0.2+esm2 for Ubuntu 18.04.6 LTS (bionic)

libgit2-26 0.26.0+dfsg.1-1.1ubuntu0.2+esm2, released August 14, 2026, fixes 4 CVEs in libgit2-26. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libgit2-26-0.26.0-dfsg.1-1.1ubuntu0.2-esm2
- Platform: Linux
- Released: Aug 14, 2026
- Priority: Routine (Closes 4 CVEs, none high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libgit2-26](https://patchblox.com/security/data/product/linux/libgit2-26.md) | Ubuntu 18.04.6 LTS (bionic) | 0.26.0+dfsg.1-1.1ubuntu0.2+esm2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-15501](https://patchblox.com/security/data/cve/CVE-2018-15501.md) | Routine | libgit2-26: In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a c... | n/a | 0.0437 |  |
| [CVE-2018-8098](https://patchblox.com/security/data/cve/CVE-2018-8098.md) | Routine | libgit2-26: Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 befor... | n/a | 0.0143 |  |
| [CVE-2018-8099](https://patchblox.com/security/data/cve/CVE-2018-8099.md) | Routine | libgit2-26: Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0... | n/a | 0.0139 |  |
| [CVE-2026-53585](https://patchblox.com/security/data/cve/CVE-2026-53585.md) | Routine | libgit2: libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allow... | 5.3 | 0.0040 |  |

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Data as of 2026-11-12T19:57:06Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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