Red Hat Security Advisory: glibc security update
The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: stack-based buffer overflow in netgroup cache (CVE-2024-33599) * glibc: null pointer dereferences after failed netgroup cache insertion (CVE-2024-33600) * glibc: netgroup cache may terminate daemon on memory allocation failure (CVE-2024-33601) * glibc: netgroup cache assumes NSS callback uses in-buffer strings (CVE-2024-33602) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers four vulnerabilities in the glibc package used by Red Hat Enterprise Linux 8 and related products. The issues involve the netgroup cache component and include a stack-based buffer overflow (CVE-2024-33599), null pointer dereferences after failed cache insertion (CVE-2024-33600), daemon termination on memory allocation failure (CVE-2024-33601), and incorrect assumptions about NSS callback string usage (CVE-2024-33602). These vulnerabilities could cause crashes or other unintended behavior in programs relying on these libraries. Red Hat has released updated glibc packages to address these issues.
Potential Impact
The vulnerabilities could lead to crashes or denial of service in applications using the netgroup cache functionality of glibc. The stack-based buffer overflow could potentially be exploited to execute arbitrary code, while the null pointer dereferences and daemon termination issues could cause service interruptions. The advisory rates the security impact as important (high), but no known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glibc packages for Red Hat Enterprise Linux 8 and related products that address these vulnerabilities. Users should apply these updates promptly after ensuring all previous errata are applied. Detailed update instructions are available from Red Hat's official documentation. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: glibc security update
Description
The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: stack-based buffer overflow in netgroup cache (CVE-2024-33599) * glibc: null pointer dereferences after failed netgroup cache insertion (CVE-2024-33600) * glibc: netgroup cache may terminate daemon on memory allocation failure (CVE-2024-33601) * glibc: netgroup cache assumes NSS callback uses in-buffer strings (CVE-2024-33602) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers four vulnerabilities in the glibc package used by Red Hat Enterprise Linux 8 and related products. The issues involve the netgroup cache component and include a stack-based buffer overflow (CVE-2024-33599), null pointer dereferences after failed cache insertion (CVE-2024-33600), daemon termination on memory allocation failure (CVE-2024-33601), and incorrect assumptions about NSS callback string usage (CVE-2024-33602). These vulnerabilities could cause crashes or other unintended behavior in programs relying on these libraries. Red Hat has released updated glibc packages to address these issues.
Potential Impact
The vulnerabilities could lead to crashes or denial of service in applications using the netgroup cache functionality of glibc. The stack-based buffer overflow could potentially be exploited to execute arbitrary code, while the null pointer dereferences and daemon termination issues could cause service interruptions. The advisory rates the security impact as important (high), but no known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glibc packages for Red Hat Enterprise Linux 8 and related products that address these vulnerabilities. Users should apply these updates promptly after ensuring all previous errata are applied. Detailed update instructions are available from Red Hat's official documentation. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:3344
- Cve Count
- 4
- Additional Cves
- ["CVE-2024-33600","CVE-2024-33601","CVE-2024-33602"]
Threat ID: 6a3da1f64853345fc1834517
Added to database: 06/25/2026, 21:47:34 UTC
Last enriched: 06/25/2026, 22:49:38 UTC
Last updated: 09/10/2026, 19:24:54 UTC
Views: 35
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