CVE-2026-120436

The Netpbm image processing library (versions before 10.86.51 , 11.x before 11.02.30 , and 11.03 before 11.15.08 ) is vulnerable to a heap buffer overflow within the jbigtopnm component. The root cause is an integer overflow occurring during the calculation of the output buffer size. An attacker ...

CVE-2026-120436 Netpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow via jbigtopnm

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-plane JBIG file with large header dimensions so jbgdecmergeplanes overflows th...

EUVD-2026-115196

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-plane JBIG file with large header dimensions so jbgdecmergeplanes overflows th...

CVE-2026-120436 Netpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow via jbigtopnm

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-plane JBIG file with large header dimensions so jbgdecmergeplanes overflows th...

CVE-2026-120435 Netpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow in xpmtoppm

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a heap buffer overflow in xpmtoppm caused by an unvalidated characters-per-pixel value in the XPM header. Attackers can supply a crafted XPM file with characters-per-pixel greater than 3 to overrun fixed 3-byte...

EUVD-2026-115195

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a heap buffer overflow in xpmtoppm caused by an unvalidated characters-per-pixel value in the XPM header. Attackers can supply a crafted XPM file with characters-per-pixel greater than 3 to overrun fixed 3-byte...

CVE-2026-120435

The Netpbm image processing library contains a heap buffer overflow in the xpmtoppm component. The vulnerability is caused by an unvalidated characters-per-pixel value in the XPM header; an attacker can supply a crafted XPM file with a value greater than 3 to overrun fixed 3-byte colorName hash e...

CVE-2026-120434 Netpbm before 10.86.51, 11.02.30, and 11.15.08 picttoppm Stack Overflow via scanPoly

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in picttoppm's scanPoly function in converter/ppm/picttoppm.c. Attackers can supply a crafted PICT file whose polygon edges produce more than 5000 points, overflowing the coord stack arr...

EUVD-2026-115194

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in picttoppm's scanPoly function in converter/ppm/picttoppm.c. Attackers can supply a crafted PICT file whose polygon edges produce more than 5000 points, overflowing the coord stack arr...

CVE-2026-120434

The Netpbm software (versions before 10.86.51 , 11.x before 11.02.30 , and 11.03 before 11.15.08 ) is vulnerable to a stack-based buffer overflow in the scanPoly() function within converter/ppm/picttoppm.c. An attacker can provide a crafted PICT file where polygon edges generate more than 5000 po...

CVE-2026-120433 Netpbm before 10.86.51, 11.02.30, and 11.15.08 picttoppm Stack Buffer Overflow via paintPoly

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in the picttoppm paintPoly function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array...

CVE-2026-120433 Netpbm before 10.86.51, 11.02.30, and 11.15.08 picttoppm Stack Buffer Overflow via paintPoly

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in the picttoppm paintPoly function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array...

CVE-2026-120433

The Netpbm image processing library is vulnerable to a stack-based buffer overflow in the picttoppm component. The flaw exists in the paintPoly() function, where an unbounded polygon point count allows an attacker to provide a crafted PICT file with more than 100 points. This can overwrite the fi...

EUVD-2026-115193

Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in the picttoppm paintPoly function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array...

CVE-2026-120432 Netpbm before 10.86.51, 11.02.30, and 11.15.08 Integer Overflow in winicontopam

Netpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16t loop counters into...

EUVD-2026-115241

Netpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16t loop counters into...

CVE-2026-120432

Netpbm versions before 10.86.51 , 11.02.30 , and 11.15.08 are vulnerable to an integer overflow in the winicontopam component. An attacker can provide a crafted icon file with ICO/CUR dimensions exceeding 32767 , causing int16_t loop counters to wrap into negative row buffer indices. This leads t...

CVE-2026-120432 Netpbm before 10.86.51, 11.02.30, and 11.15.08 Integer Overflow in winicontopam

Netpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16t loop counters into...

CVE-2026-120431

The Netpbm image processing library contains a heap-based buffer overflow in the sgitopnm component's readChannels() function. This vulnerability occurs when processing RLE-compressed SGI images with crafted files containing oversized offset table lengths. An attacker can exploit this to write co...

CVE-2026-120431 Netpbm before 10.86.51, 11.02.29, and 11.15.07 sgitopnm Heap Buffer Overflow

Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels function when processing RLE-compressed SGI images. Attackers can supply crafted SGI files with oversized offset table lengths to write controlled data past the...