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authorLars Ingebrigtsen <larsi@gnus.org>2020-12-11 15:16:05 +0100
committerLars Ingebrigtsen <larsi@gnus.org>2020-12-11 15:16:05 +0100
commit72bcc6f988350329f3c0eb2f86af17f3ed97cf40 (patch)
tree47833839b39088ef50216098ff8dbffd9463b421 /lisp/image
parent004d7e97e2c54c1089a776055ffd173d132fe5ae (diff)
downloademacs-72bcc6f988350329f3c0eb2f86af17f3ed97cf40.tar.gz
Fix parsing error in exif
* lisp/image/exif.el (exif--parse-exif-chunk): The offset is a four-byte number. Reported by Alan Light <lightalan@gmail.com>.
Diffstat (limited to 'lisp/image')
-rw-r--r--lisp/image/exif.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/image/exif.el b/lisp/image/exif.el
index 6aeb52c726d..e328fcce5a8 100644
--- a/lisp/image/exif.el
+++ b/lisp/image/exif.el
@@ -165,7 +165,7 @@ If the orientation isn't present in the data, return nil."
;; Another magical number.
(unless (= (exif--read-number 2 le) #x002a)
(signal 'exif-error "Invalid TIFF header length"))
- (let ((offset (exif--read-number 2 le)))
+ (let ((offset (exif--read-number 4 le)))
;; Jump to where the IFD (directory) starts and parse it.
(when (> (1+ offset) (point-max))
(signal 'exif-error "Invalid IFD (directory) offset"))