CVE-2018-20796
CVE Details
Visit the official vulnerability details page for CVE-2018-20796 to learn more.
Initial Publication
10/25/2024
Last Update
09/21/2025
Third Party Dependency
libc6
NIST CVE Summary
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.
CVE Severity
Our Official Summary
This CVE is reported in the GNU C Library (aka glibc or libc6) through 2.29. Upstream does not consider this to be a security issue, per https://sourceware.org/glibc/wiki/Security%20Exceptions and no fix is available. This issue has been disputed and marked as not a security issue.
Status
Ongoing
Affected Products & Versions
| Version | Palette Enterprise | Palette Enterprise Airgap | VerteX | VerteX Airgap |
|---|---|---|---|---|
| 4.7.20 | ⚠️ Impacted | ✅ No Impact | ⚠️ Impacted | ⚠️ Impacted |
| 4.6.41 | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted |
| 4.5.22 | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted |
| 4.4.20 | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted | ⚠️ Impacted |
Revision History
No revisions available.