diffstat for poppler-26.01.0 poppler-26.01.0 changelog | 8 + patches/SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch | 41 ++++++++++ patches/series | 1 3 files changed, 50 insertions(+) diff -Nru poppler-26.01.0/debian/changelog poppler-26.01.0/debian/changelog --- poppler-26.01.0/debian/changelog 2026-05-31 23:12:29.000000000 +0200 +++ poppler-26.01.0/debian/changelog 2026-06-02 19:08:52.000000000 +0200 @@ -1,3 +1,11 @@ +poppler (26.01.0-4.1) unstable; urgency=medium + + * Non-maintainer upload. + * SplashOutputDev: Fix integer overflow in tilingPatternFill (CVE-2026-10118) + (Closes: #1138708) + + -- Salvatore Bonaccorso Tue, 02 Jun 2026 19:08:52 +0200 + poppler (26.01.0-4) unstable; urgency=medium * Team upload diff -Nru poppler-26.01.0/debian/patches/SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch poppler-26.01.0/debian/patches/SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch --- poppler-26.01.0/debian/patches/SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch 1970-01-01 01:00:00.000000000 +0100 +++ poppler-26.01.0/debian/patches/SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch 2026-06-02 19:08:27.000000000 +0200 @@ -0,0 +1,41 @@ +From: Marek Kasik +Date: Thu, 21 May 2026 17:51:51 +0200 +Subject: SplashOutputDev: Fix integer overflow in tilingPatternFill +Origin: https://gitlab.freedesktop.org/poppler/poppler/-/commit/8352264766652b98336e92359a70b3161a9ab97a +Bug-Debian: https://bugs.debian.org/1138708 +Bug: https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1715 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2026-10118 + +Use checkedMultiply() to check integer multiplication of surface size +and number of repetitions to avoid integer overflow and possible memory issues. + +Fixes: #1715 +--- + poppler/SplashOutputDev.cc | 5 ++--- + 1 file changed, 2 insertions(+), 3 deletions(-) + +diff --git a/poppler/SplashOutputDev.cc b/poppler/SplashOutputDev.cc +index ff3ad0eff015..f055486c36f4 100644 +--- a/poppler/SplashOutputDev.cc ++++ b/poppler/SplashOutputDev.cc +@@ -4327,7 +4328,7 @@ bool SplashOutputDev::tilingPatternFill(GfxState *state, Gfx *gfxA, Catalog * /* + matc[2] = ctm[2]; + matc[3] = ctm[3]; + +- if (surface_width == 0 || surface_height == 0 || repeatX * repeatY <= 4) { ++ if (surface_width == 0 || surface_height == 0 || repeatX * repeatY <= 4 || checkedMultiply(surface_width, repeatX, &result_width) || checkedMultiply(surface_height, repeatY, &result_height)) { + state->setCTM(savedCTM[0], savedCTM[1], savedCTM[2], savedCTM[3], savedCTM[4], savedCTM[5]); + return false; + } +@@ -4349,8 +4350,6 @@ bool SplashOutputDev::tilingPatternFill(GfxState *state, Gfx *gfxA, Catalog * /* + kx = matc[0]; + ky = matc[3] - (matc[1] * matc[2]) / matc[0]; + } +- result_width = surface_width * repeatX; +- result_height = surface_height * repeatY; + kx = result_width / (fabs(kx) + 1); + ky = result_height / (fabs(ky) + 1); + state->concatCTM(kx, 0, 0, ky, 0, 0); +-- +2.53.0 + diff -Nru poppler-26.01.0/debian/patches/series poppler-26.01.0/debian/patches/series --- poppler-26.01.0/debian/patches/series 2026-05-31 23:12:29.000000000 +0200 +++ poppler-26.01.0/debian/patches/series 2026-06-02 19:07:37.000000000 +0200 @@ -0,0 +1 @@ +SplashOutputDev-Fix-integer-overflow-in-tilingPatter.patch