diff options
Diffstat (limited to 'gnu/packages')
| -rw-r--r-- | gnu/packages/ghostscript.scm | 1 | ||||
| -rw-r--r-- | gnu/packages/patches/ghostscript-CVE-2020-15900.patch | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/gnu/packages/ghostscript.scm b/gnu/packages/ghostscript.scm index b132fba7eb..03a516dc52 100644 --- a/gnu/packages/ghostscript.scm +++ b/gnu/packages/ghostscript.scm @@ -171,6 +171,7 @@ printing, and psresize, for adjusting page sizes.") (base32 "0z1w42y2jmcpl2m1l3z0sfii6zmvzcwcgzn6bydklia6ig7jli2p")) (patches (search-patches "ghostscript-freetype-compat.patch" + "ghostscript-CVE-2020-15900.patch" "ghostscript-no-header-creationdate.patch" "ghostscript-no-header-id.patch" "ghostscript-no-header-uuid.patch")) diff --git a/gnu/packages/patches/ghostscript-CVE-2020-15900.patch b/gnu/packages/patches/ghostscript-CVE-2020-15900.patch new file mode 100644 index 0000000000..b6658d7c7f --- /dev/null +++ b/gnu/packages/patches/ghostscript-CVE-2020-15900.patch @@ -0,0 +1,36 @@ +Fix CVE-2020-15900. + +https://cve.circl.lu/cve/CVE-2020-15900 +https://artifex.com/security-advisories/CVE-2020-15900 + +Taken from upstream: +https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=5d499272b95a6b890a1397e11d20937de000d31b + +diff --git a/psi/zstring.c b/psi/zstring.c +--- a/psi/zstring.c ++++ b/psi/zstring.c +@@ -142,13 +142,18 @@ search_impl(i_ctx_t *i_ctx_p, bool forward) + return 0; + found: + op->tas.type_attrs = op1->tas.type_attrs; +- op->value.bytes = ptr; +- r_set_size(op, size); ++ op->value.bytes = ptr; /* match */ ++ op->tas.rsize = size; /* match */ + push(2); +- op[-1] = *op1; +- r_set_size(op - 1, ptr - op[-1].value.bytes); +- op1->value.bytes = ptr + size; +- r_set_size(op1, count + (!forward ? (size - 1) : 0)); ++ op[-1] = *op1; /* pre */ ++ op[-3].value.bytes = ptr + size; /* post */ ++ if (forward) { ++ op[-1].tas.rsize = ptr - op[-1].value.bytes; /* pre */ ++ op[-3].tas.rsize = count; /* post */ ++ } else { ++ op[-1].tas.rsize = count; /* pre */ ++ op[-3].tas.rsize -= count + size; /* post */ ++ } + make_true(op); + return 0; + } |