Vulnerability Database · Debian · Package report
glibc: vulnerability history, versions and safety
glibc is a package in the Debian ecosystem. Vulert records 292 vulnerabilities for it across 120 releases, from Nov -0001 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on glibc i
Updated on 23 Oct 2026
Careful: 35 of the 292 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 35 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 292 over 2026 years · 13 in the last year i
- Latest disclosure 28 Aug 2026 i
- Highest CVSS 9.8 i
- With no published fix 35 i
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01 Versions
Which versions are affected
Every version Vulert holds for glibc, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 120 of 213 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 13 of the 292 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for glibc
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Critical Buffer Overflow Vulnerability in GNU C Library (glibc) - CVE-2014-9761 | 9.8 critical | 2.23-1 | 19 Apr 2016 |
| Buffer Overflow Vulnerability in glibc | 9.8 critical | 2.25-3 | 22 Oct 2017 |
| Buffer Overflow Vulnerability in glibc: Potential Memory Corruption Risk | 9.8 critical | 2.3.5-3 | 10 Apr 2019 |
| Buffer Overflow Vulnerability in glibc: Denial of Service and Code Execution Risk | 9.8 critical | 2.31-13+deb11u3 | 14 Jan 2022 |
| Buffer Overflow Vulnerability in glibc's svcunix_create Function | 9.8 critical | 2.31-13+deb11u3 | 14 Jan 2022 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315