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fix(cve): CVE-2025-59799 - [PATCH] pdfwrite - bounds check some strings #10

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fix(cve): CVE-2025-59799 - [PATCH] pdfwrite - bounds check some strings #10

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9 changes: 9 additions & 0 deletions debian/changelog
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Original file line number Diff line number Diff line change
@@ -1,3 +1,12 @@
ghostscript (10.05.1~dfsg-3deepin4) unstable; urgency=medium

* fix(cve): CVE-2025-59799 (medium) - [PATCH] pdfwrite - bounds check
some strings Upstream:
https://github.com/ArtifexSoftware/ghostpdl/commit/6dab38fb211f15226
c242ab7a83fa53e4b0ff781

-- deepin-ci-robot <packages@deepin.org> Fri, 04 Sep 2026 01:44:28 +0800

ghostscript (10.05.1~dfsg-3deepin3) unstable; urgency=medium

* fix(cve): CVE-2025-59798
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28 changes: 28 additions & 0 deletions debian/patches/CVE-2025-59799.patch
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@@ -0,0 +1,28 @@
Description: CVE-2025-59799 (medium) - Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdfmark_coerce_dest in devices/vector/gdevpdfm.c via a large size value.
Author: Piotr Kajda <petermasterperfect@gmail.com>
Origin: https://github.com/ArtifexSoftware/ghostpdl/commit/6dab38fb211f15226c242ab7a83fa53e4b0ff781
Bug: https://security-tracker.debian.org/tracker/CVE-2025-59799
Last-Update: 2025-05-08
---
diff --git a/devices/vector/gdevpdfm.c b/devices/vector/gdevpdfm.c
index d1237c9..c120ba1 100644
--- a/devices/vector/gdevpdfm.c
+++ b/devices/vector/gdevpdfm.c
@@ -199,6 +199,8 @@ pdfmark_coerce_dest(gs_param_string *dstr, char dest[MAX_DEST_STRING])
{
const byte *data = dstr->data;
uint size = dstr->size;
+ if (size > MAX_DEST_STRING)
+ return_error(gs_error_limitcheck);
if (size == 0 || data[0] != '(')
return 0;
/****** HANDLE ESCAPES ******/
@@ -859,6 +861,8 @@ pdfmark_put_ao_pairs(gx_device_pdf * pdev, cos_dict_t *pcd,
char buf[30];
int d0, d1;

+ if (Action[1].size > 29)
+ return_error(gs_error_rangecheck);
memcpy(buf, Action[1].data, Action[1].size);
buf[Action[1].size] = 0;
if (sscanf(buf, "%d %d R", &d0, &d1) == 2)
1 change: 1 addition & 0 deletions debian/patches/series
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Expand Up @@ -17,3 +17,4 @@
CVE-2025-59798.patch
CVE-2025-59801.patch
CVE-2025-59800.patch
CVE-2025-59799.patch
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