CVE-2026-85091: Out-of-bounds Write

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

PT-2026-90901

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz vacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

PT-2026-90898

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz vacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

Zlib 1.1.4 Compression Library gzprintf() Buffer Overrun Vulnerability (1)

No description provided by source. source: http://www.securityfocus.com/bid/6913/info A buffer-overrun vulnerability has been reported in the Zlib compression library. Due to the use of 'vsprintf' by an internal Zlib function, an attacker can cause memory to become corrupted. This buffer overrun...

Zlib 1.1.4 Compression Library gzprintf() Buffer Overrun Vulnerability (2)

No description provided by source. source: http://www.securityfocus.com/bid/6913/info A buffer-overrun vulnerability has been reported in the Zlib compression library. Due to the use of 'vsprintf' by an internal Zlib function, an attacker can cause memory to become corrupted. This buffer overrun...

CVE-2003-0107: Undefined Security Weakness

Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code...

RHEL 2.1 : zlib (RHSA-2003:081)

Updated zlib packages that fix a buffer overflow vulnerability are now available. Zlib is a general-purpose, patent-free, lossless data compression library that is used by many different programs. The function gzprintf within zlib, when called with a string longer than ZPRINTFBUFZISE = 4096 bytes...

Moderate: Red Hat Security Advisory: zlib security update

Updated zlib packages that fix a buffer overflow vulnerability are now available. Zlib is a general-purpose, patent-free, lossless data compression library that is used by many different programs. The function gzprintf within zlib, when called with a string longer than ZPRINTFBUFZISE = 4096 bytes...

Moderate: Red Hat Security Advisory: : Updated zlib packages fix gzprintf buffer overflow vulnerability

Updated zlib packages are now available which fix a buffer overflow vulnerability. Zlib is a general-purpose, patent-free, lossless data compression library used by many different programs. The function gzprintf within zlib, when called with a string longer than ZPRINTFBUFZISE = 4096 bytes, can...

DEBIAN-CVE-2003-0107

Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code...

CVE-2003-0107

Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute...

zlib gzprintf() buffer overflow

Buffer overflow if resulting string exceeds 4K buffer...

Zlib 1.1.4 - Compression Library gzprintf() Buffer Overrun (2)

Zlib 1.1.4 - Compression Library gzprintf Buffer Overrun 2 // source: https://www.securityfocus.com/bid/6913/info A buffer-overrun vulnerability has been reported in the Zlib compression library. Due to the use of 'vsprintf' by an internal Zlib function, an attacker can cause memory to become...

Zlib 1.1.4 - Compression Library 'gzprintf()' Buffer Overrun (1)

// source: https://www.securityfocus.com/bid/6913/info A buffer-overrun vulnerability has been reported in the Zlib compression library. Due to the use of 'vsprintf' by an internal Zlib function, an attacker can cause memory to become corrupted. This buffer overrun occurs becuase the software fai...

Zlib 1.1.4 - Compression Library gzprintf() Buffer Overrun (1)

Zlib 1.1.4 - Compression Library gzprintf Buffer Overrun 1 // source: https://www.securityfocus.com/bid/6913/info A buffer-overrun vulnerability has been reported in the Zlib compression library. Due to the use of 'vsprintf' by an internal Zlib function, an attacker can cause memory to become...