glibc: Buffer Overflow in strfmon right-justification padding

A flaw was found in glibc. The strfmon and strfmonl functions are vulnerable to a buffer overflow when processing right-justified width padding. This occurs because an incorrect length is used for an internal memory operation, causing data to be written beyond its intended buffer. An attacker cou...

AZL-100962 CVE-2026-19499 affecting package glibc 2.38-21

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499 Buffer overflow in strfmon and strfmon_l right-justification padding

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499 Buffer overflow in strfmon and strfmon_l right-justification padding

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499 Buffer overflow in strfmon and strfmon_l right-justification padding

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499

CVE-2026-19499 is a buffer overflow in the GNU C Library (glibc) versions 2.38 to 2.44 , affecting the strfmon and strfmon_l functions. The root cause is an incorrect length used for an internal memmove operation when a conversion uses right-justified width padding , causing a write past the end ...

CVE-2026-19499

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

EUVD-2026-77675

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

OESA-2026-3792 glibc security update

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational...

SUSE-SU-2026:23738-1 Security update for glibc

This update for glibc fixes the following issues: - CVE-2026-6368: invalid free via wordexp WRDEAPPEND rollback bsc1274726. - CVE-2026-6791: stack overflow in wordexp tilde expansion bsc1274723. - CVE-2026-18374: heap buffer overflow in the fopen ccs extension bsc1277262. - CVE-2026-19499: buffer...

SUSE-SU-2026:23830-1 Security update for glibc

This update for glibc fixes the following issues: - CVE-2026-6368: invalid free via wordexp WRDEAPPEND rollback bsc1274726. - CVE-2026-6791: stack overflow in wordexp tilde expansion bsc1274723. - CVE-2026-18374: heap buffer overflow in the fopen ccs extension bsc1277262. - CVE-2026-19499: buffer...

CVE-2026-19499: Heap-based Buffer Overflow

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

Updated glibc package fixes security vulnerabilities

Potential buffer overflow in nssprintrrf TSIG handling path. CVE-2026-5435 Buffer overread in nsprintrrf with corrupted RDATA field. CVE-2026-6238 wordexp with WRDEAPPEND can return or use invalid memory. CVE-2026-6368 Potential stack-based buffer clash during tilde expansion in wordexp...

USN-8737-2 glibc vulnerabilities

USN-8737-1 fixed vulnerabilities in GNU C Library. This update provides the corresponding fixes for Ubuntu 24.04 LTS. Original advisory details: It was discovered that GNU C Library had a buffer overflow in the strfmon function when handling right-justification padding. An attacker could possibly...

USN-8737-1 glibc vulnerabilities

It was discovered that GNU C Library had a buffer overflow in the strfmon function when handling right-justification padding. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. CVE-2026-19499 It was discover...

OESA-2026-3618 glibc security update

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational...

OESA-2026-3617 glibc security update

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational...

glibc: Buffer Overflow in strfmon right-justification padding

A flaw was found in glibc. The strfmon and strfmonl functions are vulnerable to a buffer overflow when processing right-justified width padding. This occurs because an incorrect length is used for an internal memory operation, causing data to be written beyond its intended buffer. An attacker cou...