{"cve":"CVE-2011-2896","nvd":{"published":"2011-08-19T17:55:03.317","modified":"2026-06-16T23:32:12.337","status":"Modified","description":"The LZW decompressor in the LWZReadByte function in giftoppm.c in the David Koblas GIF decoder in PBMPLUS, as used in the gif_read_lzw function in filter/image-gif.c in CUPS before 1.4.7, the LZWReadByte function in plug-ins/common/file-gif-load.c in GIMP 2.6.11 and earlier, the LZWReadByte function in img/gifread.c in XPCE in SWI-Prolog 5.10.4 and earlier, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows remote attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2895.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-787"],"references":["http://cups.org/str.php?L3867","http://git.gnome.org/browse/gimp/commit/?id=376ad788c1a1c31d40f18494889c383f6909ebfc","http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064600.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064873.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065527.html"],"products":["apple:cups","gimp:gimp","swi-prolog:swi-prolog"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2896","score":0.11993,"percentile":0.96128,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}